a small wingless jumping insect which feeds on the blood of mammals and birds. It sometimes transmits diseases through its bite, including plague and myxomatosis 跳蚤
Order Siphonaptera: several families and many species, including the human flea (Pulex irritans) 虱目:数科,多种,包括人蚤(拉丁名Pulex irritans) ■short for flea beetle flea beetle 的简称 ■ 参见 water flea
常用词组 as fit as a flea
in very good health 非常健康
a flea in one's ear
a sharp reproof 尖锐的批评;严厉的非难 she expected to be sent away with a flea in her ear. 她猜自己会被狗血淋头地骂走的。
语源
Old English flēa, flēah, of Germanic origin; related to Dutch vlo and German Floh