英语词汇retention 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	retention efficiency
释义	retention n — 保留 n • 留用 n retention — 滞留 efficiency n — 效率 n • 高效 n • 效益 n • 能效 n • 效能 n • 效率 n 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	however, it does not however, it does not however, it happens however, it happens however, it happens however, it happens however it has been argued however, it has been shown however, it has been shown however, it has been shown that however, it has been shown that however, it has been shown that however, it has been shown that however I think however I think that however, I thought however, I thought however it implies however it is however, it is becoming increasingly however, it is becoming increasingly however, it is becoming increasingly however, it is becoming increasingly however, it is becoming increasingly however, it is believed

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retention n —