His eardrum was broken in the accident.在事故中他的耳膜破了.Objective To improve clinically recognition of the eardrum - mastoid process operation.目的提高临床对中耳乳突手术的认识.If the eardrum has been broken, never try irrigation.如耳膜破裂, 则绝对不可灌...
The engine keeps backfiring all the time.发动机老是回火.The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.环保署关于有害物质的法规同全国资源回收的工作正好唱反调.A sudden report rang out -- ...
Reservoirs are drying up and farmers have begun to leave their land.水库逐渐干涸，农民开始背井离乡。Water companies should concentrate on reducing waste instead of building new reservoirs.自来水公司应该集中精力减少水浪费，而不是修建新水库。We must make use of ou...
The provision for observation of the cease - fire was boilerplate.遵守 停火 协定的条款是照搬过去的条文.Boilerplate: Standard legal language used in legal documents.标准法律语言: 法律文件中使用的标准法律语言....
This paper introduces a rarely seen method of describing with diametral distance.本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法.Meshing spur gears must have the same diametral pitch.互相啮合的直齿圆柱齿轮,必须具有相同的径节.Diametral pitch : the number of teeth ...