一劳永逸
一劳永逸一劳永逸[yī láo yǒng yì]1.■put things right once and for all; be efficacious forever; do sth. well so that one never has to do it again; for good and all; get sth. done once (and) for all; labour for sth. that holds good for all the time; once and for all; solutions that hold good for all time; strain to reach a solution good for all the time
热门单词
- 一次电压 primary voltage;
- 一群骡 atajo; [美西南部] mulada;
- 一言蔽之
- 丁字槽铣刀
- 丁宁
- 丁苯硫脲 thiambutosin;
- 七进制
- 万丈光芒
- 三坐标测量机 three coordinate measuring machine;
- 三层筛 triple-deck screen;
- 三枪荫罩彩色摄像管 three-gun shadow-mask colour kinescope
- 三点线素坐标 trilinear line coordinates;
- 三相电动势 three-phase electromotive force;
- 三端快速开关 trisistor;
- 三维点阵 three-dimensional lattices;
- 三臂分度器 three-arm protractor;
- 三角
- 三角帆蚌 hyriopsis cumingii;
- 三角沙坝 {地质} cuspate bar
- 三轴控制系统 three-axis control system;
- 三重峰 triplet;
