use up
US /juːz ˈʌp/
UK /juːz ˈʌp/

1.
用完, 耗尽
to finish a supply of something
:
•
We need to buy more milk; we've almost used up all of it.
我们需要买更多牛奶;我们快用完了。
•
The car used up a lot of fuel on the long journey.
这辆车在长途旅行中消耗了很多燃料。
用完, 耗尽
to finish a supply of something