热门： obviously happy 单词大全

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首页英语词典proficiencyproficiency英英释意

proficiency

英 [prə'fɪʃ(ə)nsɪ] 美[prə'fɪʃənsi]

英英释义实用场景例句

n. 精通，熟练

英英释意

1. the quality of having great facility and competence

2. skillfulness in the command of fundamentals deriving from practice and familiarity;: "practice greatly improves proficiency"