He had wearied of teaching in state universities.他已经厌烦了在州立大学教书。The political hysteria soon wearied him and he dropped the newspaper to the floor.政界的歇斯底里让他厌烦，他把报纸扔到了地板上。He had long since wearied of discussing the rancorou...
他与朋友合伙经商.He associated himself with his friend in a business undertaking.经商成功不一定赚钱.Business success does not automatically lead to financial success.为了帮助兄弟经商,他放弃休假.He sacrificed his holiday to help his brother's bus...
to weld a broken axle焊接一条断裂的轴Where did you learn to weld?你在哪儿学会的焊接技术？They will also be used on factory floors to weld things together.它们也可用于工厂车间，用来焊接物体。...
The forebody design a key issue for hypersonic airbreathing vehicle.前体设计是吸气式高超声速飞行器设计的关键之一.It would reach hypersonic speeds -- five times the speed of sound.也就是说,要使飞机达到特超音速—即音速的五倍.hypersonic aerodynamics高超音速空气动力学rarefied...