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| dull a cutting instrument through long use | |||
| grinding down | |||
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| skive off | |||
| whittle away; grind down; whittle down; damage by gnawing; eat away; fret away; grind off; skive (off); wear down | |||
| grind away | |||
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| grind; grind off; skive (off); wear down | |||
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сточить : 4 短语, 3 学科 |
| 一般 | 1 |
| 牙科 | 2 |
| 自动化设备 | 1 |