Wilbur Wright praised Langley's part in the history of flight.威尔伯·特赞扬了 塞缪尔·利 在飞行史上所起的作用.Samuel Langley was born in 1834 just outside Boston, Massachusetts.塞缪尔·利于1834年出生在乌萨诸塞州的波士顿近郊.Langley and an engineer , Charles ...
Sarah lifted her hand and started twirling a strand of hair.萨拉抬起手来开始用手指缠绕一缕头发。The Strand is one of London's busiest and most affluent streets.斯特兰德街是伦敦最繁华、最富足的街道之一。She tried to blow a gray strand of hair from her eye...
The oligochitosan and chitobiose, produced by degrading chitosan, have exhibited some particular physiological activities and function.摘要壳聚糖降解制备的低聚壳聚糖和壳寡糖具有许多独特的生理活性....
The witness at the trial had been carefully primed by defence lawyers.被告律师对出席审讯的证人事先作了仔细的指导。Arnold primed her for her duties...阿诺德事先让她熟悉了自己的任务。They have primed the explosive device.他们已使爆炸装置准备起爆。Two Jackals screeched and ...
Cuprous oxide is a type of material called a semiconductor.氧化亚铜是一种所谓的半导体材料.Tin free , polishing antifouling composition with cuprous oxide.含氧化亚铜的无锡自抛光防污涂料.Cuprous oxide and zinc oxide can be recovered from waste copper c...