单词	grade retention
释义	grade retention 留级
随便看	iterated extension iterated fission expectation iterated fission probability iterated function iterated game iterated integral iterated interpolation method iterated kernel iterated line graph iterated logarithm iterated logarithm random walk iterated logarithms iterated network iterated operation iterated optimization algorithms iterated process iterated series iterate improvement iterates iterate through iterating iteration iteration array iteration chromatography iteration clause 翠尾分开红影翠屏千仞合翠屏遮烛影翠屏金辇翠峰如簇翠崖丹谷高掌开翠帐犀帘翠幌娇深翠幌珠帘不独映翠影红霞映朝日痛歼痛点痛爱痛疚痛痒痛痛痛痹痛经痛脚痛苦