有: 5年 fifteen years改进: improve; make better; better ...有改进,好些: improve in(=get better)大有改进必要: leave much to be desired表示原物有改进: improvement in还有改进的余地: there is still room for improvement他的拼写大有改进: he is certainly improving in his spelling表示原物有改进好转: improvement in改进: improve; make better; better; mend; improvement; perfection; melioration 改进书法 improve one's handwriting; 改进工作 make one's work better没有改变的: unchanged占有改定: constitutum possessorium有改革能力的: transformative有改正作用的: ke5rektiv kerzktiv改进,改善;改进处: improvement n到港时间有改变: alteration of ship's eta没有改正的世界时: uncorrected universal time他确有改过表现: he has really corrected his mistakes有改变体质作用的: alterative版改进: gabest促改进: improve改进,超过: improve on改进,改良: improvement改进,进步: advance in; advancein改进、改革: reforming改进,提高: improve