The disease was controlled by the simple expedient of not allowing anyone to leave the city.通过禁止任何人出城的简单应急办法使疾病得到了控制。It was expedient to retire gracefully.体面的让步可算是权宜之计.Do whatever is expedient.权宜处置,怎么方便就怎么办....
The story was a temporary expedient.这个借口是临时的应急之法。Surgical waiting lists were reduced by the simple expedient of striking off all patients awaiting varicose vein operations...采取了将所有等待进行静脉曲张手术的病人从名单上删除的简单做法，这一权宜之计使得外科手术等待名...
I'm so glad he had a pang of conscience.我很高兴他会有负疚感。Except for a small pang, her headache has gone.除了偶有不适外, 她的头痛已经好了.She experienced a sharp pang of disappointment.她经历了失望的巨大痛苦....
Emergency cooling systems could fail and a reactor meltdown could occur.紧急冷却系统有可能失灵，核反应堆有可能发生堆芯熔毁。meltdown on the New York Stock Exchange纽约证券市场的崩溃A meltdown at the reactor had only just been avoided.险些发生核反应堆熔毀事故....