GbEng
火箭绕地球运行一周后返回基地。 The rocket did one circuit of the earth and returned to base.
载有受过训练的宇航员的火箭马上就要发射了。 A rocket manned by trained astronauts will launch soon.
现在随时都有火箭发射. Space rockets are being sent up all the time.
科学家利用计算机计算了火箭可能运行的轨道。 Scientists have computed the probable course of the rocket.
早年对军用火箭进行的实验为发展航天技术奠定了基础。 Early experiments with military rockets prepared the ground for space travel.
制造多级火箭的一种方法是把各级火箭并排放在底部。 One of the ways to make step rockets is to put the stages side by side at the bottom.
毁灭,摧毁因为方案不完善或为了安全的原因,经常通过遥控对已发射的宇宙飞船、火箭或导弹实施的有意的摧毁 The intentional, usually remote-controlled destruction of a space vehicle, rocket, or missile after launching, as for defective performance or reasons of safety.