名词
中文翻译：外骨骼
同义词：
['exoskeleton', 'exoskeleton structure']
例句：
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1.The spider's exoskeleton is made of a tough protein called chitin.
蜘蛛的外骨骼是由一种叫做几丁质的坚韧蛋白质制成的。
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2. The exoskeleton of the crab provides protection against predators.
螃蟹的外骨骼提供了对捕食者的防护。
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3.The discovery of the exoskeleton structure of the dinosaurs has shed new light on their evolution.
恐龙外骨骼结构的发现为它们进化的新见解提供了新的证据。