men lose their ability to hear high-pitched sounds,and women lose hearing in the low end为什么前一句是to hear 后面用hearing

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men lose their ability to hear high-pitched sounds,and women lose hearing in the low end为什么前一句是to hear 后面用hearing

men lose their ability to hear high-pitched sounds,and women lose hearing in the low end为什么前一句是to hear 后面用hearing
men lose their ability to hear high-pitched sounds,and women lose hearing in the low end
为什么前一句是to hear 后面用hearing

men lose their ability to hear high-pitched sounds,and women lose hearing in the low end为什么前一句是to hear 后面用hearing
前面的to hear high-pitched sounds不定式做ability 的后置定语,而后面的hearing是动名词的形式做lose 的宾语,

首先 lose 后面必须要跟 名词,或动词的ing形式。
前面的 lose 后面跟的是 ability 这个名词。to hear 是不定式表目的。
后面的lose 跟的是 hearing ,因为 hear是个动词,所以变成了 hearing。

因为前面是动词用法,后面是名词用法.

to hear high-pitched sounds是动词不定式,在整个句子里,这个动词不定式修饰
ability能力,丧失什么能力,丧失听到高音的能力。
lose hearing in the low end这里的hearing就是个名词,听力的意思,丧失在低音端的听力。