koralen 用 de 还是 het?de koralen词义coral (any of various coralline tiny organisms of the class Anthozoa, notably of genus Corallium, who live in marine colonies)为什么?荷兰语名词的复数形式都使用冠词 de。了解这条语法规则复数de koralen指小形式het koraaltje查看基本形式