它的喷嘴抹了某种润滑油。Its nozzle was smeared with some kind of lubricant.天气冷时齿轮润滑油可能凝结而形成凹槽.Gear lubricants may congeal and channel in cold weather.这个月我们需要更多润滑油.We shall require more lubrication oil this month....
U.S. authorities have not yet indicated their monetary policy plans.美国当局尚未透露他们的货币政策计划。Regional monetary cooperation is a new thing emerged after disorganization of Bretton Wodds System.区域货币合作是布雷顿森林体系解体后出现的新事物.He has chan...
Cowboys drove covered wagons and rode horses, lassoing cattle.牛仔们有的赶着大篷车，有的骑着马，抛套索捕牛。The whole shipment of cattle made the grade as prime beef.这批牛全部达到了上等牛肉的标准。Most farms have a pond from which cattle can drink.大部分农场有池塘供牛...