问题描述： 蜘蛛spider 蚂蚁ant 蜜蜂bee 蝴蝶butterfly 蜻蜓dragonfly是昆虫! 1个回答 分类：英语 2014-10-09 问题解答： 我来补答 Ant,bee,butterfly,dragonfly are insects. An insect must have 6 legs.Some arthropods with five pairs of legs are not insects ,such as spider and scorpion. 展开全文阅读
