by the time是什么意思?
母语人士的回答
Rebecca
By the time是具有相同意义的成语when, at the time 。他在这里表示,他将在30岁时成为参议员。示例: I was able to swim by the time I was 10. 10 By the time I went to school, I could already read.之前I was able to swim by the time I was 10. )示例: By the time I went to school, I could already read. (等到上学的时候,您已经可以阅读它了。)例子: He'd already finished eating by the time I arrived. (到我到达时,他已经吃完了。)