我对空气动力学一窍不通。I don't understand the aerodynamics.要取得胜利，你必须掌握很复杂的动力学知识。In order to succeed, you must master complicated knowledge of dynamics.这种控制要求颗粒磨损动力学和旋风分离器效率的知识.This control requires knowledge of attrition kinet...
An amateur shouldn't play roulette for high stakes.外行不该下大赌注赌轮盘赌.For Mr Blair the political stakes could hardly have been higher.对布莱尔来说，这已经是最高的政治赌注了。Let's pull up stakes and get out of here.让我们收拾摊子,离开这里算了....
这片建筑还只是仅有主梁的骨架.The block is still just a skeleton of girders.由火车装运的所有主梁都安放在平板火车车皮上.All girders shipped by rail were arranged on a flatbed rail car.主梁支承着工字梁的横向肋.The main girders support I - section transverse ribs....