Its nozzle was smeared with some kind of lubricant.它的喷嘴抹了某种润滑油。I think humor is a great lubricant for life.我认为幽默是人生的上好润滑剂。Most mechanical devices require oil as a lubricant.绝大多数机械装置都需要用油作为润滑剂。...
他星期五逃走了，说是担心自己有生命危险。He fled on Friday, saying he feared for his life.除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。The South African mailboat arrived on Friday mornings unless bad weather intervened.星期五从盖特威克起飞全程需要7个小时。Flying out on Friday fr...