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whetstone

美音:[´wet´stəun ]点这儿播放单词美音发声
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n.磨石,油石

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whetstone为短语/超纲词汇

whetstone


n shaped stone used for sharpening tools, eg chisels, scythes, etc 磨石; 磨刀石; 油石.

whetstone


n[C]
a stone used to make the blade of cutting tools sharp