打个比方说，当我们听到一只鸟在唧唧喳喳地叫时，它的每次发声之间都有大约十分之一秒的间隔。

Let's say you are listening to a chirping bird. Two of its chirps are separated by a tenth of a second.

youdao

打个比方说，当我们听到一只鸟在唧唧喳喳地叫时，它的每次发声之间都有大约十分之一秒的间隔。

Let's say you are listening to a chirping bird. Two of its chirps are separated by a tenth of a second.

youdao