相关例句
be used up
5.The bamboos in the area cannot be used up if they are felled alternatively.
6."However abundant certain natural resources may be, they cannot reproduce themselves and are bound to be used up ultimately."
7.Energy cannot be used up, it is only changed from one form into another.
8.Light from the sun is practically inexhaustible; in other words, sunlight cannot be used up.
9.a consumer credit line that can be used up to a certain limit or paid down at any time.

