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

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。

youdao

I grew up living in northern rural areas, thinking myself not lack of the knowledge with birds, but for this continuous chirping bird like a soprano, it was also very strange to me.

我从小生活在北国农村，自认为不乏鸟类的知识，但像一个女高音那般、连续啼叫的鸟儿，对我说来还十分陌生。

youdao

The next time you hear a bird chirping outside your window, you might think twice about what’s going on inside his little birdbrain.

所以，下次你听到一只鸟儿在窗外叽叽喳喳时，可能要留心它的小脑袋里到底在想些什么。

youdao