The American and Japanese navies took the lead in the development of naval aviation...美国和日本海军是发展海军航空部队的佼佼者。The Wright brothers pioneered in early aviation.莱特兄弟是早期航空的先驱.The Gossamer Conder, a human - powered airplane, fle...
他中学时不擅长代数.He was not good at algebra in middle school.在代数里, 符号X常用来表示未知数.In algebra, the sign X usually denotes an unknown quantity.他的同学们正在绞尽脑汁地演算初等代数题.His classmates were labouring with elementary algebra....
灰鲸们要游到几千英里以外去寻找温暖 、 食物和日光.Gray whales travel of miles seeking warmth, food and sunlight.母灰鲸带着三个月大的幼鲸游向食物丰富的海域.Mother Grey whale and its three - month old baby heading for feeding area....
She forsook her notebook for new technology.她丢开笔记本开始使用新技术。He faithlessly forsook his friends in their hour of need.在最需要的时刻他背信弃义地抛弃朋友.She forsook her worldly possessions to devote herself to the church.她抛弃世上的财物而献身教会....