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IELTS BNC: 1174 COCA: 1855
lengthnounuk/leŋθ/ us/leŋθ/

length noun DISTANCE

B1 [ C or U ] the measurement of something from end to end or along its longest side长，长度

The boat is ten metres in length.这条船长10米。
The length of the bay is approximately 200 miles.海湾的长度约为200英里。
She planted rose bushes (along) the length of the fence (= the whole distance along it).她沿着篱笆都栽上了玫瑰花丛。

[ C ] a piece of something such as string or pipe条，根

a length of rope一条绳子

[ C ] a unit used in describing the distance by which a horse or boat wins a race, equal to the measurement from one end of the horse or boat to the other（马的）身位；船身

We won by two lengths.我们领先两个身位获胜。

[ C ] the distance from one end of a swimming pool to the other游泳池的长度，泳程

She swims 40 lengths a day.她每天在泳池里游40个泳程。

More examples

The impact of the crash reduced the car to a third of its original length.

Application forms vary greatly in layout and length.

The metre is the standard unit for measuring length in the SI system.

The mountains stretch the entire length of the country.

Dad, I swam a whole length of the pool underwater !

length noun TIME

B2 [ C ] the amount of time something lasts花费的时间

the length of a film/speech/play电影／演讲／话剧的时长
He is unable to concentrate on his work for any length of time (= for anything more than a short time).他根本无法集中精力工作。

C1 [ C or U ] the amount of writing in a book or document（书籍或文件的）篇幅

He's written books of various lengths on the subject.关于这个题目，他已经写了几本书，篇幅长短不一。
All of your essays will be about the same length.你所有的论文篇幅都应大致相同。
at length

C2 for a long time长久地，长时间地

George went on at great length about his various illnesses.乔治滔滔不绝地讲起他身患的各种疾病。

formal If something happens at length, it happens after a long period of time.终于，最终

At length, the authorities allowed her to go home.当局终于允许她回家了。

More examples

Application forms vary greatly in layout and length.

The children are too young for a movie of that length.

How can it take that length of time to get dressed?

I can't believe the length of time they spend chatting!

I asked him to cut the length of his speech.

Idiom(s)

go to great lengths
the length and breadth of somewhere
-lengthsuffixuk/ -leŋθ/ us/ -leŋθ/

-length suffix DISTANCE

long enough to reach the stated place长及…的，长度达到…的

a knee-length skirt长及膝盖的裙子
shoulder-length hair齐肩的头发

-length suffix TIME

of the stated amount of time…时长的

a full-length movie (= one which has not been shortened)未删节的电影
IELTS BNC: 1174 COCA: 1855
length

noun¹

 1distance from one end to the other長度ADJECTIVE | VERB + LENGTH | PREPOSITION | PHRASES ADJECTIVE➤entire, full, maximum, whole整個長度；全部長度；最大長度；全長◇There is a maximum length of 2 500 words.篇幅不得超過 2,500 個單詞。◇A long veranda runs the whole length of the building.一條長廊貫通整棟建築。➤great非常長的長度◇a ditch of great length and width又長又寬的溝➤medium中等長度▸➤overall, total總長度▸➤average平均長度VERB + LENGTH➤estimate, measure估計／測量長度◇He measured the length and width of the table.他量了桌子的長和寬。➤have有⋯長◇The vehicle has an overall length of 12 feet.這輛車總長 12 英尺。➤grow to, reach增加到／達到⋯長度◇These fish can reach a length of over five feet.這些魚身長可超過 5 英尺。➤double in, increase in長度加倍；增加長度▸➤cut sth to將⋯減到⋯長度◇Measure the size of the window and cut the cloth to length.量好窗戶的尺寸，然後按尺寸裁布。➤drive, extend, run, swim, travel, walk, etc.行駛、延伸、跑、游、旅行、走等某一距離◇The fence runs the length of the footpath.籬笆沿整條小路延伸。PREPOSITION➤along the length of沿着◇There were lights along the whole length of the street.整條街上都有燈。➤in length長度為◇The pipe was six feet in length.管道長 6 英尺。PHRASES➤at arm's length以一臂之距；以一定距離◇He has to hold newspapers at arm's length to focus on the print.他必須將手臂伸直拿着報紙才能看清上面的字。◇She kept him at arm's length until he stopped smoking. (figurative) 在他戒煙以前，她一直與他保持一定距離。➤double, twice, three times, half, etc. the length of sth⋯兩倍、三倍、一半等的長度◇The queen bee is twice the length of a worker bee.蜂王的體長為工蜂的兩倍。
length

noun²

 2amount of time that sth lasts持續時間ADJECTIVE | VERB + LENGTH | LENGTH + VERB | PREPOSITION | PHRASES ADJECTIVE➤considerable, great, inordinate相當長的時間；極長的時間；過長的時間▸➤reasonable合適的時長VERB + LENGTH➤cut, reduce, shorten縮短時間▸➤increase延長時間LENGTH + VERB➤increase時間延長▸➤decrease時間縮短PREPOSITION➤at length詳細地◇He told me at length about his new job.他向我詳細地說了他新工作的情況。➤in length時長為◇Each lesson was an hour in length.每節課時長是一小時。PHRASES➤length of time時間長度◇They complained about the inordinate length of time they had to wait.他們抱怨等的時間太長。
length

noun³

 3length of a swimming pool泳池長度VERB + LENGTH➤do, swim游⋯距離◇I did 20 lengths today.我今天在游泳池裏游了 10 個來回。
IELTS BNC: 1174 COCA: 1855
length noun
⇨ length (the length of the river) ⇨ piece (a length of rope) length

noun

length ♦︎ height ♦︎ depth ♦︎ width ♦︎ diameter ♦︎ thicknessThese are all words for a measurement of distance between two ends or sides of sth. 这些词均表示两端或两侧之间的长度或距离。PATTERNS AND COLLOCATIONS 句型和搭配◆sth has a length / height / depth / width / diameter / thickness of 20 cm / 30 m, etc.◆sth is / measures 20 cm / 30 m, etc. in length / height / depth / width / diameter / thickness◆sth is of a particular length / height / depth / width / diameter / thickness◆a great length / height / depth / width / thickness◆an average length / height / depth / width / diameter / thickness◆a standard length / height / width◆a maximum / minimum length / height / depth / width / diameter / thickness◆the full length / height / width / thickness of sth◆the total length / height / depth / width / thickness of sth◆to measure the length / height / depth / width / diameter / thickness of sth◆to calculate the length / height / depth / diameter of sth■ length [uncountable, countable] the distance or measurement along sth from one end to the other 长；长度◆This room is twice the length of the kitchen.这个房间的长度是厨房的两倍。◆The river is 300 miles in length.这条河长300英里。◆The snake usually reaches a length of 100 cm.这种蛇一般可长到100厘米。◆He ran the entire length of the beach (= from one end to the other).他从海滩的头跑到尾。▸ long

adjective

◆long hair长发◆a long corridor / bridge长廊；长桥◆The table is six feet long.那张桌子长6英尺。 OPP short ⇨ short 2 ■ height [uncountable, countable] the measurement of how tall a person or thing is （人的）身高；（物体的）高度◆Please state your height and weight.请注明你的身高和体重。◆He is of medium height and slim build.他中等身材，体形修长。◆You can adjust the height of the chair.你可以调节椅子的高度。◆The table is available in several different heights.这款桌子有几种不同的高度可供选择。  see also high ⇨ high 2 ■ depth [uncountable, countable] the distance or measurement from the top or surface to the bottom of sth 向下的距离；深（度）；纵深◆What's the depth of the water here?这儿的水有多深？◆Water was found at a depth of 30 metres.在30米深处找到了水。◆They dug down to a depth of two metres.他们挖到了两米深。ⓘ Depth can also be the distance from the front to the back of sth. * depth也可表示向里的距离或进深◆The depth of the shelves is 30 centimetres.这些书架的深度为30厘米。 ▸ deep

adjective

◆a deep hole / well / river很深的洞／井／河◆deep water / snow深水；厚雪◆a deep cut / wound / space很深的刀口／伤口；深邃的空间◆The water is only a few inches deep.这水只有几英寸深。 OPP shallow ⓘ The opposite is shallow. * deep的反义词是shallow◆They were playing in the shallow end (= of the swimming pool).他们在游泳池的浅水区玩耍。◆These fish are found in shallow waters around the coast.这些鱼生长在海边的浅水水域。 ■ width [uncountable, countable] the distance or measurement across sth from one side to the other 宽度；广度◆It's about 10 metres in width.宽约10米。◆The terrace runs the full width of the house.露台和房子一般宽。◆The carpet is available in different widths.这款地毯有各种宽度可供选择。  see also wide ⇨ wide 2 ■ diameter daɪˈæmɪtə(r) [uncountable] the length of a straight line going from one side of a circle or any other round object to the other side, passing through the centre 直径；对径◆The radius of a circle is half its diameter.圆的半径是直径的一半。◆The dome is 42.3 metres in diameter.这个穹顶直径为42.3米。■ thickness [uncountable, countable] the distance through sth between its closest opposite surfaces or sides 厚；厚度；粗◆Use wood of at least 12 mm thickness.使用至少12毫米厚的木材。◆Roll the pastry to a thickness of about 5 mm.将油酥面皮擀成大约5毫米厚。◆The board is available in four thicknesses.有四种不同厚度的木板可供选择。  see also thick ⇨ wide 2
IELTS BNC: 1174 COCA: 1855
length
Length, width and depth: length, width, depth...
General words relating to frequency and duration: frequency, rate, irregularity...
Units for measuring length or width: bore, centimeter, centimetre...
Swimming pools and swimming and diving equipment: aqualung, armband, diving bell...
Long and thin objects: line, strip, stick...
Races and racing: ahead, a poor second, baton...

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