[A]4、a kind of，this kind of，many kinds of和a sort of

①kind作名词用时，表示种类，比较下面的结构：akindof+单数名词（不加冠词）→一种thiskindof+单数名词（不加冠词）→这种manykindsof+（不加冠词）→许多种differentkindsof+（不加冠词）→不同种类thesekindsof+（不加冠词）→这些种类allkindsof（不加冠词）→各种Thisisa...

2025-09-03