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...
He managed to free one hand to ward off a punch.他设法挣脱出一只手来挡住了一拳。The ward was busy and Amy hardly had time to talk.病房里非常忙碌，埃米几乎没有时间说话。She gave me a straightfor-ward answer.她坦率地回答了我。Such a thin padded coat cannot ward off ...
她早些时候辞去了梅内姆总统助理一职。She had earlier resigned her post as President Menem's assistant.他由于患轻度眼疾而不再担任队长一职。His captaincy of the team was ended by mild eye trouble.总统一职似乎正在沦为政治上的摆设。The presidency is beginning to appear a p...