英语词汇“grade retention”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	grade retention
释义	grade retention 留级
随便看	throw sb out throw sb over throw sb overboard throw sb over the bridge throw sb together throw sb to the dogs throw sb to the ground throws down throws good money after bad throw shade throw shaft throw shapes throw sheep's eyes at throw shot cleaning throw signs throws-in throws in throws in the towel throws into throws it throws light on throw smoke throws obstacles in way throws off throw somebody out of employment 是骡子是马，拉出来遛遛是骡子是马，牵出来遛遛是骡是马，牵出来遛遛是鬼归坟，是神归庙是鸡都长两只爪，是人都有两只手是鸡都长个爪子是鸡都长爪子是黄鱼是黑鱼，网收起来见分晓是鼠难成虎是龙不跟蛇斗，是人不跟狗斗糊口を凌ぐ糊塗糎糒糖糖分糖化糖原質糖尿病糖度