elapse

动词

1. 1

   经过、过去、流逝正式；主词为时间

   Several months elapsed before we heard back from them.

   过了好几个月，我们才收到他们的回复。

2. 2

   到期、失效用于期限、效期

   Your right to appeal expires once the deadline has elapsed.

   期限一过，你的上诉权利就失效了。