单词：dams
n a metric unit of length equal to ten meters
n female parent of an animal especially domestic livestock
v obstruct with, or as if with, a dam
DAMS的用法和样例：
例句
- There are several dams across the Nile.有好几个水坝越过尼罗河。
- Dams need better maintenance and desilting.水坝需要更好的维护和疏通。
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