1
use up sth / use sth up
宾语是名词时，可放在use up之间或之后；若是代词，必须放在中间。
She used up all the flour.
她用完了所有的面粉。
用完；耗尽；用尽
uses up — third person singular of use up
先理解核心含义，再看它在真实句子里的用法。
用完；耗尽；用尽
to use all of something so that none is left
She used up all the flour.
她用完了所有的面粉。
一般指用完、耗尽；法律语境中常译作“用尽”。
消耗、耗尽、花费或使枯竭。
To consume, deplete, expend, or exhaust.
占用或占据。
To take or occupy.
use up
Base
原形
uses up
3rd person
第三人称单数
using up
-ing
现在分词
used up
Past
过去式
used up
Past participle
过去分词
She uses up all the flour every week.
她每周都用完所有的面粉。
We used up the fuel during the trip.
我们在旅途中用完了燃料。
He has used up all his savings.
他已经用光了他所有的积蓄。
用完，耗尽
Our old car uses up a lot of oil, so we rarely drive it.
我们的旧车会用掉很多机油，所以我们很少开它。
Using up all the paper on the first day left us nothing for tomorrow.
第一天就用光了所有纸，明天我们就没得用了。
We used up the last of the flour, so I need to buy more.
我们把最后一点面粉都用完了，所以我需要再买一些。
宾语是名词时，可放在use up之间或之后；若是代词，必须放在中间。
She used up all the flour.
她用完了所有的面粉。
被动结构强调被耗尽的状态。
All the resources were used up.
所有的资源都用完了。
现在完成时表示已经耗尽，对现在有影响。
We have used up our savings.
我们已经用完了积蓄。
Not this
I used up it yesterday.
Use this
I used it up yesterday.
当宾语是代词时，短语动词'use up'的副词小品词'up'必须放在代词之后（代词置于动词和小品词之间），这是英语短语动词的语法规则。'used up it'违反了该规则。
Not this
The ink used up quickly.
Use this
The ink was used up quickly.
在英语中，'use up'是及物动词短语，必须接宾语；当主语是受事时，需要使用被动语态'be used up'。这里'ink'是被用完，所以应用被动语态。
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separable
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Dictionary facts from ECDICT, WIKTIONARY.