英语词汇has been proven useful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	has been proven useful
释义	proven adj — 经过验证的 adj • 证实的 adj prove to be— 属 useful adj — 有用 adj • 有用的 adj • 有益 adj • 好用 adj • 管用 adj • 顶事 adj has-been — 过气
随便看	due to a defect due to a defective due to a delay due to a difference in due to a disaster due to a disease due to a dispute due to a divorce due to administrative reasons due to a drop due to advancement due to adverse due to a false due to a fault due to affiliates due to a fire due to a flu due to a force majeure due to a fraud due to a given due to a good relationship due to a high due to a higher level of due to a highly competitive due to a high temperature

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 —