问题描述:
名词做同位语时其前需加逗号么
But now it is realized that supplies of some of them are limited,and it is even possible to give a reasonable estimate of their “expectation of life”,the time it will take to exhaust all known sources and reserves of these materials.
对于名词做同位语,和前面的名词需要用逗号隔开么 怎么用的句子用而有的不用逗号呢
比如 此题 the time 前加了逗号的 .
But now it is realized that supplies of some of them are limited,and it is even possible to give a reasonable estimate of their “expectation of life”,the time it will take to exhaust all known sources and reserves of these materials.
对于名词做同位语,和前面的名词需要用逗号隔开么 怎么用的句子用而有的不用逗号呢
比如 此题 the time 前加了逗号的 .
问题解答:
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