名词
中文翻译：打磨
同义词：
['polishing', 'sanding', 'smoothing例句：1. The car was polishedto a shine before the big event.（在重大活动之前，这辆车被打磨得闪闪发光。）2. She sanded down the roughedges of the wood before painting it.（她先把木头的粗糙边缘打磨平整再上漆。）']
例句：
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1. The car was polishedto a shine before the big event.
在重大活动之前，这辆车被打磨得闪闪发光。
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2. She sanded down the roughedges of the wood before painting it.
她先把木头的粗糙边缘打磨平整再上漆。
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3. The engineer used a polishing machineto make the metal surface smooth.
工程师使用抛光机使金属表面变得光滑。