例句：
1.The insect bit him and drew blood from his arm.
那只昆蟲叮在他的手臂上吸血。
2.A cocoon is a kind of silk covering made by an insect.
蠶繭是由昆蟲制造的壹種由絲組成的外包層。
3.She stamped on the insect and killed it.
她踩死了壹只蟲子。
4.A locust is a kind of destructive insect.
蝗蟲是壹種害蟲。