英语词汇proven efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	proven efficiency
释义	proven adj — 证实的 adj • 经过验证的 adj efficiency n — 效率 n • 高效 n • 效益 n • 能效 n • 效能 n • 效率 n prove v — 证明 v • 证实 v • 证明是 v • 显示 v • 结果是 v • 原来是 v prove — 证 • 着 • 说明 • 确证 efficient adj — 有效 adj • 高效 adj • 效率 adj • 高效率 adj • 有效率 adj • 得力 adj • 麻利 adj • 干净利落 adj
随便看	programme is documented programme is expected programme is focused on programme is known as programme is reviewed programme is running programme issue programme leaflets programme level Programme library programme line programme listings programme looks at programme maker programme making programme management programme management arrangements programme management cycle programme management Office programme management services programme management structure Programme Manager programme managing authorities programme mandate programme manual

英汉双解词典包含2273206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。

proven adj —