a common dipterous fly, Musca domestica, that frequents human habitations, spreads disease, and lays its eggs in carrion, decaying vegetables, etc: family Muscidae 家蝇
noun [专属名词][昆] 家蝇
For example, the common housefly reproduces by laying several thousand eggs, so each fly gene gets copied thousands of times. 比如,普通的苍蝇通过产下几千颗卵来繁殖后代,这样每只苍蝇的基因就被复制了上千遍。