mountain是可数名词，其复数形式为mountains。英语单词mountain的词性为名词，中文意思是“高山；山岳；许多；大量；山脉；山区；许多，一大堆；堆积如山的东西；过剩的堆积如山的食物”。
The car followed the twists and turns of the mountain road.
汽车沿着弯弯曲曲的山路行驶。
Watching the sun rise over the mountain was an almost mystical experience.
看着太阳爬上山冈，这几乎是一种难以言传的体验。
It was a long slog to the top of the mountain.
到山顶的路漫长而艰难。
温馨提示：
