钻头必须缓慢转动，以保证钻孔平整光滑。The drill should be slowly rotated to ensure a clean hole.打钻和提钻时要保持钻头平稳。Keep the drill steady while it ascends and descends.你得拆开这个钻头。You'll have to disassemble the drill....
Maureen put the nightmare behind her...莫琳已将噩梦抛诸脑后。A good way to break the habit of eating too quickly is to put your knife and fork down after each mouthful...改掉吃饭太快的坏习惯有一个好办法，那就是每吃一口就把刀叉放下。She put her head down, her han...
正中线搏动性肿块提示腹主动脉瘤破裂.A pulsatile midline mass suggests ruptured abdominal aortic aneurysm.偏头痛是一类发作性且常为单侧的搏动性头痛,是神经科常见病之一.Migraine a kind of common and frequent illness in nervous system....
The blue whale is the largest living thing on the planet.蓝鲸是地球上体型最大的生物。Britain has the largest and most flourishing fox population in Europe.英国拥有欧洲最大也是最具繁殖能力的狐狸种群。He now controls the largest retail development empire in ...
However, investors say are a number of issues deterring business.然而, 投资者表示,有很多问题让他们却步.Many investors must be hoping that he will be dethroned, his publishing empire dismembered.众多投资者此时一定希望他能被撵下台，他的出版帝国四分五裂。Racial quotas ...