- 相关例句
The bamboos in the area cannot be used up if they are felled alternatively.
这里的竹子,如果轮流砍伐,是永远也砍不完的.
互联网
Energy cannot be used up, it is only changed from one form into another.
能量不会用尽, 它只是由一种形式转换成另一种形式.
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Plants provide many chemicals that can be useful to humans, especially for drugs and insecticides.
植物能为人类提供有用的化学物质, 特别是药物和杀虫剂.
辞典例句
It may still be useful to press the point home by working out a particular illustration.
通过一种特殊的说明来表明这点也许仍是有用的.
辞典例句
Before going further, it may be useful to get some perspective on the national debt.
在作进一步讨论前, 先观察一下国内负债情况可能是有用的.
辞典例句