a smoother for [noun]
This is a smoother for metal surfaces.
这是一个用于金属表面的打磨机。
打磨机，砂光机
smoothers — plural of smoother
使平滑的人或物；玻璃切割中用于抛光槽面的磨轮；用于刨薄刨花以创造光滑表面的手刨；弄平的人；路面平整机
a power tool used for sanding wood
使平滑的人或物
One who, or that which, smooths.
玻璃切割中用于抛光槽面的磨轮
In glass-cutting, an abrading-wheel for polishing the aces of the grooves cut by another wheel.
用于刨薄刨花以创造光滑表面的手刨
A hand plane set to cut thin shavings, to create a polished surface.
Use the smoother to sand the surface before painting.
在喷漆之前，用砂光机打磨表面。
用法提示：“smoother”在这里是名词，指砂光机。
He borrowed a smoother from the workshop to finish the table.
他从车间借了一台砂光机来完成桌子。
用法提示：“smoother”作为工具名词，被借来使用。
The carpenter switched on the smoother and began working on the wooden board.
木匠打开了砂光机，开始加工木板。
用法提示：“smoother”作为操作对象，被打开使用。
This is a smoother for metal surfaces.
这是一个用于金属表面的打磨机。
Use a smoother to sand the wood.
使用打磨机打磨木材。
grammar · medium
易错句子You should smoother the surface before painting.
正确表达You should smooth the surface before painting.
smoother是名词，意为‘打磨机’或‘修光工具’，不可用作动词。表示‘使光滑’应用动词smooth。
grammar · medium
易错句子I bought smoother for the workshop.
正确表达I bought a smoother for the workshop.
smoother是可数名词，表示具体的工具，前面需要加不定冠词a或定冠词the，不能用零冠词表示泛指。
发音相似但意思完全不同，注意字母顺序
smoother是smooth的比较级，原级与比较级用法不同
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