英语词汇proficiency的意思、用法及释义-英汉双解词典

单词	proficiency
释义	proficiency n[U] ~ (in sth/doing sth)being proficient (in sth) 精通; 熟练 a test of proficiency (in English) （英语）水平测试 show proficiency in operating a switchboard 操作配电板十分熟练.
随便看	upbringing up-country update up-end upgrade upheaval uphill uphold upholster upholsterer upholstery UPI upkeep upland uplift up-market upon upper upper case upper-cut uppermost uppish upright uprightness upright piano

英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。