roficiency中文解释
n,精通，熟练,同近
n,精通，熟练,同近的英语是proficiency
proficiency例句a high level of proficiency in English.精通英语
proficiency英语解释熟练，精通英释nna good standard of ability and skill
proficiency短语和解释proficiency in,熟练；精通.短语
roficiency中文解释
n,精通，熟练,同近
n,精通，熟练,同近的英语是proficiency
proficiency例句a high level of proficiency in English.精通英语
proficiency英语解释熟练，精通英释nna good standard of ability and skill
proficiency短语和解释proficiency in,熟练；精通.短语
