B1 [ S or U ] an unnecessary or wrong use of money, substances, time, energy, abilities, etc.浪费;滥用
to not be used, eaten, etc.被浪费掉
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What a complete waste of time!
It is the height of folly and a tragic waste to gallop into war.
This report is nonsense and nothing but a waste of paper.
Buying that sports car was a sinful waste of money.
The conference was a monumental waste of time.
B1 [ C or U ] unwanted matter or material of any type, especially what is left after useful substances or parts have been removed废品,垃圾,废物,废料
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The government is having difficulty finding a safe depository for nuclear waste.
Most people do not want this country to become a dumping ground for toxic waste.
She makes a big profit from selling waste material to textile companies.
Liquid and solid waste is collected in the tank.
The Japanese recycle more than half their waste paper.
an area of ground in or near a city that is not built on or used in any way(城市里或市郊的)荒地
large areas of land that are not used to grow crops and have few living animals or plants荒原,不毛之地
B1 to use too much of something or use something badly when there is a limited amount of it浪费;未好好利用
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The way we waste this planet's resources is criminal.
A lot of water is wasted through leakage.
We have to change the public's perception that money is being wasted.
If you'd got on with your work instead of wasting time chatting, you'd be finished by now.
Have some more vegetables - it would be a shame to waste them.
US slang to kill someone杀死,杀害,干掉
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