retain的读音 retain中文意思

英音  [rɪ'teɪn] 
美音  [rɪˈten] 
vt. 保持;留在心中,记住;雇用;付定金保留
retain 记忆方法
retain相关的词根或词缀是: taintentintinu

retain维持;保留v.

re 重新 + tain 拿住 → 重新拿回 → 保留

retain 变化形式
第三人称单数: retains
过去式: retained
过去分词: retained
现在分词: retaining
易混淆的单词: RETAIN
中文词源
retain 保留,保持
re-,向后,往回,-tain,保持,词源同 contain,tenure.
retain 用法和例句
Mr lu will retain his position at taobao .
但他将保留在淘宝的职位。
Retail banks must also retain adequate equity .
零售银行也必须保持股本充足。
But he worries that they struggle to retain experienced staff .
但他担忧,这些评级机构难以留住经验丰富的人才。
Both are fighting to retain their perch .
它们都在苦心经营,意图保住地位。
Healthy flies retain learned information for hours or even days .
正常果蝇则能够记住所学内容几小时甚至几天。