名词
中文翻译：圆顶
同义词：
['circular', 'spherical例句：1. The peritrochoid shape of the planet is a result of its rotation.（行星的圆形形状是其旋转的结果。）2. The peritrochoid function of the lens is to focus light onto the retina.（透镜的圆形功能是将光线聚焦到视网膜上。）']
例句：
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1. The peritrochoid shape of the planet is a result of its rotation.
行星的圆形形状是其旋转的结果。
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2. The peritrochoid function of the lens is to focus light onto the retina.
透镜的圆形功能是将光线聚焦到视网膜上。
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3. The peritrochoid rim of the flower provides protection from the elements.
花的圆形边缘提供了对元素的保护。