名词
中文翻译：凸面
同义词：
['concave', 'concave-sided', 'convex-sided']
例句：
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1.The sun is shining on the convex side of the hill.
太阳照在山的凸面。
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2.The shape of the car's roof is convex.
汽车的顶棚形状是凸的。
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3. The curved surface of the bowl is a result of its convex design.
碗的曲面设计是因为它的形状是凸的。