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grindstone

美音:[´graınds´təun ]点这儿播放单词美音发声
英音:[´graınds´təun ]点这儿播放单词英音发声
n.旋转磨石,旋转研磨机

难易程度:

grindstone为短语/超纲词汇

grindstone


/'graɪndstəʊn; `ˇraɪnd,ston/
n
1 stone shaped like a wheel, turned on an axle, against which one holds knives or other tools to sharpen them 砂轮.
2 (idm 习语) keep one's/sb's nose to the grindstone => nose1.

grindstone


n[C]
a large round stone that turns like a wheel, and is used for making tools and knives sharp when they are rubbed against it
keep your nose to the grindstoneatnose1 (11)