| 释义 |
燕1(鷰)yàn鸟类的一科,翅膀尖而长,尾巴分开像剪刀。捕食昆虫,对农作物有益。春天飞到北方,秋天飞到南方,是候鸟。常见的有家燕。{swallow; migrant passerine bird of the family Hirundinidae, having long, pointed wings and a forked tail, feeding on insects, noted for their regular migrations to the north in spring and the south in autumn. Those habitually building their nests in human dwellings are a common type of swallows.} |