| 单词 | file down |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔file down〕His teeth have been filed down to long white points.他的牙齿被磨成了一口整齐的皓齿。外研社新世纪〔file down〕She filed down the rough edges on the casting.她把铸件的粗糙边缘锉平。外研社新世纪〔file〕File down the sharp edges.把锋利的边缘锉平。朗文当代〔file〕He filed down the rough edges.他把粗糙的边缘锉平。文馨英汉〔single file〕The three walked single file down the narrow corridor.那3人排成一行，走在窄窄的走廊上。麦克米伦高阶 |
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