mountains是英语名词mountain的复数，意思是高山，山岳；许多，大量。
相关介绍：
mountains例句
Two men were frozen to death on the mountain.
两个男子在山上冻死了。
What's the highest mountain in the US?
美国哪座山最高？
We hired a local guide to get us across the mountains.
我们雇了一名当地人做向导带领我们翻山越岭。
Three people died during an assault on the mountain.
登山过程中有三人死亡。
We're going walking in the mountains this summer.
今年夏天我们打算到山里去徒步旅行。
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