mountain和mount可以互用么

　　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。

　　The government has mounted a new assault on unemployment.

　　政府向失业发起新的攻势。