例句：

　　They rely on microclimates for survival.

　　他們依靠微氣候生存。

　　Maglev doesn't rely on the friction of wheels on track.

　　磁懸浮不依賴于車(chē)輪在軌道上的摩擦力。

　　Even microscopic organisms rely on microclimates for survival.

　　甚至微生物也依靠微氣候生存。

　　So humming birds have to rely on plants in their natural habitat.

　　所以蜂鳥(niǎo)不得不依賴于它們自然棲息地里的植物。