所有的鸟类都有尖利的翅膀，并且翅膀的差别形成种群区隔，但是，没有一种像始祖鸟一样。
Of all the birds which have spurs, spikes, and clubs on their wings, none was quite like Xenicibis.
有些鸟永远都没有意识到翅膀的价值。
正在说着话，赫伯特巧妙地抛出一块石头，打着了啄木鸟的翅膀，但是并没有把它打倒，一转眼它就逃得无影无踪了。
Just then, a stone cleverly thrown by the boy, struck the creature on the wing, but the blow did not disable it, and the jacamar ran off and disappeared in an instant.
托德·理查特的扑翼飞机没有发动机，而是靠机翼像鸟的翅膀一样拍打保持飞行。
Todd Reichert's ornithopter is an engineless plane that stays aloft by flapping its wings like a bird.
这个故事中布莱克的一句话让我记忆犹深：“没有一只鸟会升得太高，如果它只用自己的翅膀飞升。”
The story of the Black word I still remember the deep: "The bird will not rise too high, if only to use their wings soaring."
这个故事中布莱克的一句话让我记忆犹深：“没有一只鸟会升得太高，如果它只用自己的翅膀飞升。”
The story of the Black word I still remember the deep: "The bird will not rise too high, if only to use their wings soaring."
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