Any of numerous two-wingedinsects of the order Diptera, especially any of the family Muscidae, which includes the housefly.
苍蝇双翅目带有两支翅膀的一种昆虫，尤指任何一种家蝇科的昆虫，包括家蝇。
2
Any of various social insects of the order Embioptera, having two-winged males and wingless females, both of which produce silk from glands in the front legs.