Any of numerous minute Marine and freshwater crustaceans of the subclass Copepoda, having an elongated body and a forked tail.

桡足动物任一种桡足亚纲的大量海洋或淡水甲壳纲小动物，身体细长，尾部分叉。

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A raptor (Elanoides forficatus) with bold black and white plumage and a deeply forked tail, found along the southeast and Gulf coasts of the United States and common in Florida.

有醒目的黑色和白色羽毛及深叉形尾巴的猛禽（燕尾鸢） ，生长在美国东南部及墨西哥湾沿岸，在佛罗里达很常见。

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Any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around martinmas.

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。

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