其基本意思为 与 一样 ,其中的第一个as为副词,其后通常接形容词或副词(用原级),第二个as可用作介词(后接名词或代词)或连词(后接从句)。使用时应注意以下几点。如: (1) 在否定句中,第一个 as 也可换成 so。如:
It is as light as a feather, more than 100 times stronger than steel and a lightning conductor of electricity. It is also destined to reshape our lives. Graphene has yet to become a household name in industrial products even though it is a breakthr...
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