common fly that frequents human habitations and spreads many diseases
同义词：house fly, Musca domestica
housefly详细解释
house.fly n.（名词）A common, widely distributed fly(Musca domestica) that frequents human dwellings, breeds in moist or decaying organic matter, and transmits a wide variety of diseases. 家蝇：普通可见的苍蝇（家蝇 家蝇属） ，经常出没于人类住处，在潮湿或腐烂的有机物中进行繁殖，会传播很多种疾病
