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 ...
节节草(Equisetumramosissimum) 为木贼科(Equisetaceae) 木贼属(Equisetum)植物,分布全国各地.药用全草,味甘、微苦 、 性平.Equisetum ramosissimum is species of Equisetum genus of Equisetaceae, widely distributed all over of China....
由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime....
He began to talk in his most gentle and avuncular manner.他开始讲话了，态度极其和蔼而慈祥。He was now playing the role of disinterested host and avuncular mentor.他现在正扮演着慷慨的主人和伯父似的指导人的角色.He adopt an avuncular tone of voice when give advic...
He was back in the office, updating the work schedule on the computer.他已回到办公室，正在电脑上更新工作日程。Whenever a record is rewritten with some new information, this is called updating the record.每当按某个新的信息改写记录, 就叫作更新这一记录.Cannot publi...
The truck’s headlights were all fuzzy and ghostlike.卡车的前灯光模糊一片，鬼火一样。She nodded, thinking how ghostlike he seemed.她点点头, 想着他行动多像游魂.The truck's headlights were all fuzzy and ghostlike.卡车的前灯光模糊一片,鬼火一样.All at once he loo...