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	rumour rumoured rump rumple rumpus rumpus room run runabout run after sb run along run-around run at sb runaway run away (from sb/...) run-down rune rung runic run-in run into sb runnel runner runner bean runner-up running

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。