to use up
[phrase form: use]
01
用完, 耗尽
to entirely consume a resource, leaving none remaining
Transitive: to use up a resource
例子
They used the fuel up during the long journey.
他们在长途旅行中用完了燃料。
02
用完, 消耗
to require a certain amount of time or space
Transitive: to use up a period of time
例子
The lengthy discussion used up the entire class period.
漫长的讨论用完了整个课时。
