名词中文翻译
中文翻译：翼鞘
同义词：
['wing cover', 'wing membrane']
例句：
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1. The bird's wings are protected by a thin, tough sheath.
鸟的翅膀被一层薄薄的坚韧的保护膜所保护。
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2. The scientist found that the sheath was made of a special type of protein.
科学家发现，这种保护膜是由一种特殊的蛋白质制成的。
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3. During flight, the sheath helps to insulate the bird's body from the coldair.
飞行过程中，翼鞘有助于保护鸟类的身体免受寒冷空气的侵袭。