The hot air permitted higher speeds before the critical Mach number was exceeded.热空气可使之在超过临界马赫数之前达到更快的速度。The aim is to fly at about Mach 2, twice the speed of sound.目标是以大约2马赫的速度飞行，也就是音速的两倍。Empirical results are needed in...
The hot air permitted higher speeds before the critical Mach number was exceeded.热空气可使之在超过临界马赫数之前达到更快的速度。The hot air permitted higher speeds before the critical Mach number was exceeded...热空气可使之在超过临界马赫数之前达到更快的速度。The aim ...
The roof leaked...屋顶漏雨。The gas had apparently leaked from a cylinder.气体似乎由一汽缸漏出。Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.透露给报纸的文件声称是揭露放射性废料正被非法倾倒到此...
Gifts Articles, Quilts , Hooked Rugs, Needlepoint Pillows , Table Linen , Quilts, Handpainted Glassware.采购产品礼品, 棉被, 钩状毯子, 针秀花边枕头, 桌子布,棉被.He spent a number of years hooked on cocaine, heroin and alcohol.他有好几年时间吸食可卡因和海洛因成瘾...
内燃机发出轰鸣声, 列车员跳上车厢, 火车开走了.The diesels roared, the conductors jumped aboard, and off the train went.工程师在设法制造一种在商业上切实可行的发动机来取代内燃机.Engineers are still trying to come up with a commercially viable replacement for internal - c...
He rambles in his talk.他谈话时漫无中心.You will have such nice rambles on the moors.你可以在旷野里好好地溜达溜达.I was not fond of any more country rambles.我不打算再到乡间去游荡了....