请问This is the ship (in which) we crossed the Pacific.为什么用in which 而不选by which

问题描述:

请问This is the ship (in which) we crossed the Pacific.为什么用in which 而不选by which

意思是:这是我们横穿太平洋的船(用in which指我们在船上),用by前面不能有the,再说也没有by which这种搭配啊——

in which=that紧跟需要说明的词 是固定用法 没有by which这样的搭配