Delichon urbica 基本英英例句 n.毛脚燕 Noun: common small European martin that builds nests under the eaves of housesAsian house-martin烟腹毛脚燕 Observations on Ecological Behavior of Delichon dasypus烟腹毛脚燕生态习性的初步观察 Delichon dasypus烟腹毛脚燕 Delichon nipalensisn. 黑喉毛脚燕