中心力是由球对称的势能函数而来的力.A central force is one derived from a potential - energy function that is spherically symmetric.有心力是一种径向力,它的大小只取于离原点的距离.A central force is a radial force which depends only on the distance from the orig...
每一部分都用图片讲解。Each section is explained pictorially.同学们对老师用风趣的方式讲解他们的错误很感兴趣.The students enjoyed their teacher's bantering them about their mistakes.你给孩子们讲解要设法讲得简单明了.Try to simplify your explanation for the children....
Both were remanded on bail by Wrexham magistrates until March 24.两个人都被雷克瑟姆的地方治安官批准保释，直到3月24日审判。The change proposed last month was foreshadowed in the March Budget.上个月提议的变动在3月份的预算中已经有所预兆了。But as other shops fold, the marc...
"I don't understand it," he said, over and over again.“我不明白，”他反复不停地说。We had to do the scene over and over again, from different angles.我们不得不翻来覆去地从不同的角度拍这个场面。This is what she has been saying over and over again -- I ...
“我们一定可以做点儿什么吧？”佩林突然插话道。"Surely there's something we can do?" interjected Palin.克莱门茨不及回答他就插话了。He chipped in before Clements could answer.由于他不断的插话,我无法把想说的话都说出来.I could not say all I wished because of the interruptions...