| 释义 |
clean NOTHING ONkli:nadj [before n]-er, -est with nothing on; not yet used未用过的She sat down with a clean sheet of paper to write a letter to her son.她坐下来拿一张白纸给她儿子写信。Kevin had been ill for a long time, but the doctor has finally given him a clean bill of health (=has said that he is healthy again).凯文病了很久，可医生终于给他开了健康证明书。(fig.) Following several cases of food poisoning, the restaurant failed to receive a clean bill of health (=a report that it is safe) from the council inspector.发生了几次食物中毒以后，这个餐厅没能得到市政监察员的卫生证明。(infml) You were very lazy last term, but we'll forget it and start again with a clean slate/sheet (=with past bad behaviour forgotten).你上个学期非常懒，可让我们忘了这件事，重新开始吧。 [WIPE中的wipe the slate clean]
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