力学和电磁学的这种相互关系不太明显.This interplay between mechanics and electromagnetism is less evident.我们要在电磁学中检验同样的想法.We are naturally drawn to try out the same ideas on electromagnetism.经典力学和经典电磁学不足以解释电子在原子内的运动.Classical mechanics an...
Sophie Marceau is really beautiful, and Sami Frey very attractive, as always.苏菲-玛索真的是美极了, 而萨米-弗雷也一如既往地充满了魅力.It is selling very well, in part because the packaging is so attractive.这个卖得非常好，部分原因是包装非常吸引人。Port-Louis is an at...
这根大梁承受了上面那一层的全部重量.This beam bears the whole weight of the upper floor.窗框在大梁的重压下垮掉了.The window frame folded up under the heavy weight of the beam.这些大梁是由支架撑着.The girders are carried on trestles....