flight vehicle propulsion system飞行器推进系统The nineteenth century witnessed a revolution in ship design and propulsion.19世纪船舶设计和船舶动力领域发生了重大的变革。...the submarine's propulsion system.潜水艇的推进系统Adduction of the upper arm to m...
The nineteenth century witnessed a revolution in ship design and propulsion.19世纪船舶设计和船舶动力领域发生了重大的变革。Interest in jet propulsion was now growing at the Air Ministry.航空部对喷气推进的兴趣正在增加。The liquids employed for rocket propulsio...
The antiquarian refers the vase to the second century.古董收藏家认为这花瓶是公元2世纪的文物....antiquarian and second-hand books.古籍和二手书...an antiquarian bookseller.古籍商Along with that, it must be added, went a strong pedantic and antiquari...
I helped out in the tents fetching and carrying.我在帐篷里帮忙打杂。Beckham wore a fetching outfit in purple and green.贝克汉姆穿了一件抢眼的紫绿两色套装。Her whole morning was spent in fetching and carrying.她整个上午都在做杂务....
The creature is a tiny centipede, just 10 millimeters long.那个生物是一只很小的蜈蚣，只有10毫米长。This machine part was built to a tolerance of 0.01 millimeters.这一机器部件的制造公差是0.01毫米.Here are linear measures in millimeters.这是毫米方式的线性量度....
The program saved $11 million in 1988 by substituting generics for brand-name drugs.该计划用非专利药取代品牌药，在1988年节省了1,100万美元。He was substituting for the injured William Wales.他替下了受伤的威廉·威尔士。They were substituting violence for dial...