这种燃料的例子是一甲肼和二硼烷.Examples of such fuels are monomethyl - hydrazine and diborane.手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.该不对称催化还原反应的控制步骤是...
Eyewitnesses spoke of a noise followed by a huge red light.目击者说响声过后出现了一道耀眼的红光。Police and prosecutors manipulated the eyewitnesses so they would finger Aldo...警方和检察官操纵目击证人指证奥尔多。Eyewitnesses say the police then opened fire...
飞行员明智地决定尽快返回法恩伯勒。The pilot wisely decided to return to Farnborough post haste.卢克就坐在飞行员后面，并且和他说着话。Luke sat directly behind the pilot and conversed with him.飞行员报告机场控制塔他遇到了技术问题。The pilot told the control tower that he'...
Towering genius disdains a beaten path . It'seeks regions hittite unexplored.卓越的天才不屑走旁人走过的路,他寻找迄今未开拓的地区.Seen from afar, its towering buildings beckon the visitor in.从远处看，它高耸的大楼召唤着拜访者进去。The burly brute swaggered forw...
他用右手抓住了一块凸起的岩石。He grabbed at a protrusion of rock with his right hand.裂缝、凸起、剥落的勾缝和湿斑都意味着存在问题。Cracks, bulges, crumbling pointing and damp patches mean trouble.海伦的双手枯瘦，青筋凸起。Helen's hands were thin and veined....