The culmination of the work on singularities is two famous transformation theorems.奇点研究的顶峰是两个著名的变换定理.But, by calling singularities into question, they spell trouble for relativity.然而对奇点这一问题的争议却给相对论提出了质疑.These results sho...
The figures show an increase in forceps deliveries.数字显示产钳分娩数量增多.Deliveries of mail could be delayed because of cost-cutting.由于削减成本，邮件的递送可能会延迟。In Caucasian populations, about 1 in every 87 deliveries is a twin birth.在白人人群...
Sequences of rock units are incompletely known.岩石单元的层序了解得不完全.Doing something by halves, is to do something partially or incompletely.做事半途而废, 就是做某件事只做一部分,不做完.But she also is incompletely the organization of this brothers ...
He is unpredictable, weeping one moment, laughing the next.他喜怒无常，一会儿哭，一会儿笑。No-one knows where they stand with him; he is utterly unpredictable.谁也不知道他怎样看待他们；他是个完全不可捉摸的人。She was unpredictable, explosive, impulsive and easi...