as的六种用法 1、as做介词，意思是“作为” eg.French is known as the most beautiful language in the world.法语以世界上最美丽的语言著称。 2、as做连词，引导时间状语从句，意思是“当……的时候” eg.My mother was cooking fish as I arrived home.当我到家的时候，我妈妈正在做鱼。 3、as做连词，引导原因状语从句，意思是“因为” eg.As rain has fallen, the...
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