名词
中文翻译：环形骨头
同义词：
['circle bone', 'ring bone']
例句：
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1.The ring-bone is a small bone that forms the outer edge of the ear.
环形骨头是构成耳廓外缘的小骨头。
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2. The ring-bone is important for supporting the ear and preventing it from moving forward.
环形骨头对于支撑耳朵并防止其向前移动非常重要。
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3. The ring-bone can be damaged by impact or injury.
环形骨头可以被撞击或伤害损坏。