物理学研究力学、热学 、 光学 、 声学和电学.Physics studies mechanics , heat, light, sound and electricity.这两个学生都做了不少电学实验.Both students have made quite a few experiments on electricity.从量子电动力学可以得出所有已知的电学 、 力学和化学定律.Out of quantum electrodyna...
His remarks injected a note of levity into the proceedings.他的话将一丝轻率带入了议事过程中.Your levity is unseemly at this time.在这种场合,你的轻率举动是不得体的.At the time, Arnold had disapproved of such levity.那时候的阿诺德对这种轻浮行为很看不惯。...
The cost of rehabilitation plus betterments approached 40 % of the value of the structure.修复费加上加固费接近建筑物造价的40%.The last part of this paper draws the conclusion and conceives this task's betterments. "最后一章给出结论以及本工作的改进...
The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。The colours rotated round on a disc and were reflected onto the wall behind.圆盘上色彩流转，反射到后面的墙上。To combat this tendency, Carlson rotated his top e...