名词中文翻译
中文翻译：硬壳
同义词：
['hard shell', 'hard outer layer']
例句：
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1.The hard scales on the crab's claws are designed to protect it from predators.
螃蟹的爪子上的硬壳是为了保护它免受捕食者的伤害。
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2.The hard scales on the fish's skin help it to inflate and expand when it breathes.
鱼的皮肤上的硬壳帮助它在呼吸时膨胀和扩张。
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3.The hard scales on the tree trunk protect it from damage caused by insects or other animals.
树皮上的硬壳保护树木免受昆虫或其他动物造成的损害。