I see myself, first and foremost, as a working artist.我首先还是把自己看作一名艺术工作者。He was a singer, but first and foremost a scholar.他是个歌手, 但他主要是一位学者.Work therefore is desirable, first and foremost, as a preventive of boredom.因此人们愿...
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。...