新概念2 第90课：这个Divers为啥不加定冠词the呢?第五行：oil rigs have to be repaired frequently and [divers],who often have to work in darkness a hundred feet under water,have been frightened out of their wits by giant fis
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divers 和oil rigs 是并列的两个名词,而divers 后面是一个从句【who】.可以分成两个句子来看.1,oil rigs have to be repaired frequently.2,divers often have to work in darkness a hundred feet under water.所以...