by the time的具体用法 与 by the end的具体用法

by the time到...的时候1. By the time we arrived the meeting was over. 我们到达时,会议已结束了. 2. By the time he is ten, he has outgrown his older brother. 他十岁的时候就已经长得比他哥哥高了. 3. The i...