这是一桩偶发的事件.It was quite an accident.事实已经很清楚,这件事不是偶发的,它并不是一起孤立的事件。It became very clear that the incident was not just an aberration, it was not just a single incident.克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.In its common'sporadi...
这船常航行于伦敦与悉尼之间.The ship plies between London and Sydney.我身处伦敦市中心比驾船航行于茫茫大海更感到孤单。I feel lonelier in the middle of London than I do on my boat in the middle of nowhere.此后四年中,他往返航行于密西西比河上.For the next four years he steamed u...