一有关非谓语动词的英语问题the rapid extension of all the lifespan,resulting form improved health condition,is a feature of all developed countries.请问,resulting form improved health condition是什么成分?和主语为什么要用逗
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一有关非谓语动词的英语问题the rapid extension of all the lifespan,resulting form improved health condition,is a feature of all developed countries.请问,resulting form improved health condition是什么成分?和主语为什么要用逗
一有关非谓语动词的英语问题
the rapid extension of all the lifespan,resulting form improved health condition,is a feature of all developed countries.请问,resulting form improved health condition是什么成分?和主语为什么要用逗号隔开,不用逗号可以吗?
一有关非谓语动词的英语问题the rapid extension of all the lifespan,resulting form improved health condition,is a feature of all developed countries.请问,resulting form improved health condition是什么成分?和主语为什么要用逗
翻译：由于健康条件的改善而导致的寿命的急剧延长,是所有发达国家的一个特征.
1.resulting form improved health condition是所谓的现在分词短语,在句中充当主语the rapid extension of all the lifespan的后置定语.
2.因为此后置定语结构冗长,为了减少读者理解和阅读上的难度,所以用逗号和主语隔开.
当然不隔开也是可以的,虽然隔开更加有利阅读和理解,并且句子也显得更加得体美观.
现在分词作状语表伴随状态，逗号为了区分明显，不用逗号隔开也可以