同根派生 Delichon urbica相关词英汉例句Asian house-martin (Delichon dasypus) 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Urbica 乌尔比察Delichon dasypus 烟腹毛脚燕Delichon nipalensisn. 黑喉毛脚燕Delichon urbica更多例句