be born的用法They were born quiet dogs.这句话中的were born怎么理解?

be born的用法They were born quiet dogs.这句话中的were born怎么理解? born是什么词 be born表示什么 were born呢 after they were born 和 when they were born be born的用法 if you were born When were you born? ( )were you born _____ were you born? were you born 1998 ‘when you were born. when did you born 和 when were you born 哪个用法是正确的 They spent nine months before they were born 其中were后为什么加born