insect
n
1 type of small animal (eg an ant, a fly, a wasp) having six legs, no backbone and a body divided into three parts (head, thorax and abdomen) 昆虫
[attrib 作定语]
an insect bite 昆虫咬伤. =>illus 见插图.
2 (in incorrect but common usage 不确切的通俗用法) any small, crawling creature (eg a spider) 爬行的小动物(如蜘蛛).