形容词
中文翻译：光滑的
同义词：
['smooth', 'smoothness例句：1. The surface of the glass is very smooth.（玻璃的表面非常光滑。）']
例句：
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1. The surface of the glass is very smooth.
玻璃的表面非常光滑。
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2. The road was smooth as a mirror.
路像镜子一样光滑。
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3. The paint on the wall is smooth and even.
墙上的油漆光滑且均匀。