可数名词,动物,昆虫的名词大多数是可数名词
例句：
1.The insect bit him and drew blood from his arm.
那只昆虫叮在他的手臂上吸血。
2.A cocoon is a kind of silk covering made by an insect.
蚕茧是由昆虫制造的一种由丝组成的外包层。
3.She stamped on the insect and killed it.
她踩死了一只虫子。
4.A locust is a kind of destructive insect.
蝗虫是一种害虫。