Four nozzles , canted outboard, split the exhaust of the solid rocket motor into four equal tails.四个向外倾斜的喷管把固体火箭发动机的排气流分成四个相等的尾巴.In practice, the turbine disc and the nozzles are fitted into a casing.实际上, 涡轮圆盘和喷嘴是装在机壳里的....
生活总是让我们遍体鳞伤，但到后来，那些受伤的地方会变得更坚强。The world breaks everyone, and afterward, many are stronger at the broken places.千万不要迫使双腿过度拉伸，否则会受伤的。Never force your legs to overstretch, or you can cause injuries.那名受伤的男子一动不动地仰面躺在那里。The i...
卢就各种芝麻小事唠叨个没完，后来我烦得都想尖叫了。Lou prattled on about various trivialities till I wanted to scream.相信我，这是我最起码能做的了，只是小事一桩。Believe me, it's the least I can do, a mere trifle.他为一点小事就大发脾气。He flew off the handle at the slightes...
粒子和 反 粒子是物理学中最迷惑人的概念之一.The particle - antiparticle concept is one of the most fascinating ones in physics.这种性质通常称为 “ 螺旋性”, 可以用来区分中微子和它的反粒子.This property, often called " helicity,'serves to differentiate the neutrino...
The old man lifted the barrow and trundled it away.那个老头提起手推车，慢慢推走了。Barrow had an inquisitive nature.巴罗天生就爱打听别人隐私。Pomeroy was a cockney barrow-boy at heart.波默罗伊本质上就是个伦敦街头小贩。...
他并不是因为散步和慢跑而瘦下来的.It isn't the walking and jogging that got his weight down.几年前慢跑很流行。A few years ago jogging was the in thing.我认为像慢跑、举重这样的运动不符合自然规律。I consider activities such as jogging and weightlifting as unnatural...