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
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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
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 .
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
你说的用名字做同位语是要加逗号的.
你举的这个例子里面有加 并且 这个句子中 the time 后面是一个定语从句 the time (that)it will take to exhaust……