insect可数吗?

例句：

Honeybees use one of the most sophisticated communication systems of any insect.

蜜蜂所使用的交流系统是昆虫中最复杂的之一。

There are insect bites my hand.

有虫子咬了我的手。

I just had a look of the insect.

我就是看了看这个虫子。

The cicada is a clever little insect.

蝉是一种聪明的小昆虫。