Astronomers used to ask why only Saturn has rings.天文学家们过去一直感到奇怪,为什么只有土星有光环.Saturn was to launch the 15 th flight, a Moon orbital mission.第15次飞行利用萨杜恩将飞船送人月球轨道.The Saturn family of launch vehicles falls into three types or...
然后太空船从它的运送者火箭脱离.Then the spaceship breaks away from its carrier rocket.我们同等的人物运动与可靠的运送者, 包括干, 使和冷却平面的负荷.We coordinate movement with reliable carriers, including dry, refrigerated and flatbed loads.放置面对隐蔽着的圈套后面的运送者的门.Plac...
Passengers on long-haul flights are being warned about the risks of deep vein thrombosis.长途航班上的乘客须注意可能出现深静脉血栓。He could have died after developing deep vein thrombosis during a flight to Sydney.他在一次飞往悉尼的航行中得了深静脉血栓，险些丧命。It...
Don't get too matey with him he's a rogue.别和他太亲近了——他是个无赖.Of course I knew Max was a rogue, a bit of a pirate.我当然知道麦克斯是个无赖，是个小流氓。You can't deny that Tom has been an ilde, worthless, dissolute and dishonoura...
I warmly congratulated him on the marvellous achievement.我热烈祝贺他取得了惊人的成就。We congratulated him upon his attainment to so great an age.我们敬贺他高寿.He is to be congratulated for his success.他将会由于取得的成就而受到祝贺。We congratulated her u...