badbugs,buggybugs

和抓虫子的小钳子到外面去抓虫子,放盒子里观察,刚好和all about bugs
the bugs hole,here is a bee,bee is beneficial insect,we don't
urban bugs穿衣服的昆虫-城市的错误 [11p]-美术插画
we buy good bugs that eat bad bugs.
'bad bugs'-- rove beetles "害虫"—隐翅虫