在 1691年 的《学报》中詹姆士?伯努利推导出跟踪曲线的方程.In the " Acta " of 1691 James Bernoulli derived the equation for the tractrix.伯努利是个瑞士科学家,曾于1752年为轮船的螺旋浆绘制图纸.Bernouili was a Swiss scientist who described a screw for ships in 1752.采用满足伯努利分...
这件事只能在面谈时讨论.The matter can not be discussed except at a personal interview.“ 不能在这儿谈, ” 布鲁诺说, “ 他想在秘密地方同你面谈. ”" No, " Bruno said. " He wants to see you in private. "她已和大部分申请这份工作的人面谈过.She has interviewed most of the applic...
The midwife gave him a warm bath.助产士给他洗了个热水澡。"You're doing really well," her midwife said encouragingly.“你做得很好，”助产士鼓励道。The midwife delivered her sister.那位助产护士给她妹妹接生....