| 正面 | 12483.proficient 英 [prə'fɪʃ(ə)nt]美 [prə'fɪʃnt] ![]() ![]() ![]() ![]() |
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| 背面 | ![]() ![]() ![]() ![]() 释义: 1. 音译“探戈舞”。adj. 熟练的,精通的n. 精通;专家,能手 例句: 1. She's proficient in several languages.她精通好几种语言。 proficient 熟练的pro-,向前,-fic,做,词源同efficacy,fact.引申词义熟练的。 proficientproficient: see profitproficient (adj.)1580s, back-formation from proficiency or else from Old French proficient (15c.), from Latin proficientem (nominative proficiens), present participle of proficere "to make progress, go forward, effect, accomplish, be useful" (see proficiency). Related: Proficiently." |
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