1. 現(xiàn)在隨時都有火箭發(fā)射。
   Space rockets are being sent up all the time.
2. 早年對軍用火箭進行的實驗為發(fā)展航天技術奠定了基礎。
   Early experiments with military rockets prepared the ground for space travel.
3. 科學家利用計算機計算了火箭可能運行的軌道。
   Scientists have computed the probable course of the rocket.
4. 載有受過訓練的宇航員的火箭馬上就要發(fā)射了。
   A rocket manned by trained astronauts will launch soon.
5. 第一級運載火箭是用來發(fā)射火箭的，進入高層大氣後即拋掉。
   The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere.
6. 火箭繞地球運行一周后返回基地。
   The rocket did one circuit of the earth and returned to base.
7. 他們發(fā)出了一枚呼救信號火箭。
   They sent a distress rocket.
8. 想象一下能以光的速度飛行的火箭。
   Imagine a rocket that can travel at the rate of light!

火的英語翻譯：

箭的英語翻譯：