任何尾巴有点方且成叉形、翅膀长而尖的燕子；大约在圣马丁节前后迁移。
Any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around martinmas.
燕子是长着长长的尖翅膀，剪刀状的尾巴的可爱的鸟儿。
The swallow is steadily the long sharp wing, the scissors shapetail lovable bird.
燕子是长着长长的尖翅膀，剪刀状的尾巴的可爱的鸟儿。
The swallow is steadily the long sharp wing, the scissors shapetail lovable bird.
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