形容词
中文翻译：光滑的
同义词：
['flat', 'smooth', 'even', 'polished例句：1. The surface of the car is very smooth.（这辆车的表面非常光滑。）']
例句：
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1. The surface of the car is very smooth.
这辆车的表面非常光滑。
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2.The floor is smooth as glass.
地板像玻璃一样平滑。
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3. The paint on the wall is smooth and shiny.
墙上的油漆光滑闪亮。