grindstone
美音:
[´graınds´təun
]英音:
[´graınds´təun
]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
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keep your nose to the grindstoneatnose1 (11)