Felix watched his men move like soldiers, spreading out into two teams.费利克斯看着他的手下像士兵一样散开分成了两队。Felix became a herpetologist instead.费利克斯而是成为了一位爬虫学家.March 23,1887 Prince Felix Youssoupoff was born Leonid Youssopov is model...
reentry aerodynamics再入大气层空气动力学High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.The spaceship made a successful reentry into the Earth’s atmosphere.宇宙飞船成功地重返大气层。The spacecraft made...