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kEEp FrEE From

意思上相近但不同,第一个使摆脱使自由,第二个get rid of是主动地摆脱,第三个是阻止……

意思上相近但不同, 第二个使摆脱使自由,第一个get rid of是主动地摆脱

keep free from 让自由从 keep away from远离

keep away from:远离,回避 The police warns bystander to keep away from the blazing building. 警察告诫围观者,不要靠近燃烧的建筑物。 keep free from:使……免受(影响;伤害等);使……不含 Keep the table free from dirt by putting a ...

因题干条件不完整,缺少文字,要写答案,不能正常作答。

keep ...free from 使摆脱;免于;解放 keep ...away from 使…离开

在其表面盖一层遮挡物以防止弄脏~! 希望采纳 很感谢!!!!!!!!!!

应该是化学实验室术语 意思是要与酸,铝表面氧化膜处理剂和一些腐蚀性物品保持一定的距离(开辟一个空间离这些物品远一点,避免伤害到自己)

keep … free from/of 使……免受(影响;害等);使……不含(有害物)△soybean n. (=soyabean) 大豆root n. 根;根源skim vt. 浏览;略读underline vt. ...

Its carefully-designed lines and regular arrivals keep the passengers free from traffic jam. In a nutshell, the subway is playing increasingly important ...

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