熟练的 精通的英释
a proficient typist.熟练的打字员
proficient in,精通；熟练
真题例句...You only really get proficient after many years in the job...第二套CET62016.6听力题
真题例句...Highly proficient musicianship is hard won...第三套CET62013.6阅读理解
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