B1 [ C ] a set of similar things（一）批；（一）类；（一）系列

B1 [ C ] mainly UK US usually line the goods made by one company or goods of one particular type that are sold in a shop（某公司生产或某商店出售的）某一类产品，某一系列产品

B1 [ C ] a group of hills or mountains山脉

B2 [ S ] the amount, number, or type of something between an upper and a lower limit（数量、种类等变化的）范围，幅度，区域

C2 [ S or U ] the distance within which you can see, hear, or hit someone（视觉、听觉等的）范围；射程

[ S ] the period of time in the future within which something is planned or expected to happen（计划、预期的）期限，时间段，时间范围

[ S ] the distance that a vehicle or aircraft can travel without having to stop for more fuel（车辆、飞机）加一次油可行驶的距离

[ C ] all the musical notes that a singer can sing or a musical instrument is able to produce音域

[ C ] an area where people can practise shooting or where bombs or other weapons can be tested射击场，靶场；（武器）试射场

[ C ] US land for animals to feed on牧场；牧区

[ C ] UK also kitchen range an old type of cooker, with one or more ovens and cooking surfaces, that is heated with wood or coal and is kept hot all the time（烧木材或煤长期不熄火、单眼或多眼的老式）炉灶

[ C ] US UK cooker a large box-shaped device that is used to cook and heat food, either by putting the food inside or by putting it on the top厨灶

B2 [ I usually + adv/prep ] to have an upper and a lower limit in amount, number, etc.（数量、种类等变化的）范围，幅度，区域

[ T usually + adv/prep ] to position people or things together, especially in rows排列；（尤指）使排列成行

[ I usually + adv/prep ] to move or travel freely漫游；闲逛；四处移动

[ I usually + adv/prep ] (of a piece of writing or speech) to deal with（文章或演讲）涉及，论及，涵盖