n. any vehicle self-propelled by a rocket engine
n. a jet engine containing its own propellant and driven by reaction propulsion
n. erect European annual often grown as a salad crop to be harvested when young and tender
n. propels bright light high in the sky, or used to propel a lifesaving line or harpoon
n. 火箭, 烟火
vi. 急升, 猛涨, 飞驰
vt. 用火箭运载
1. The rocket launched into the sky at sunrise.
火箭在日出时发射升空。
2. Scientists are studying how rockets work in space.
科学家正在研究火箭在太空中的工作原理。
3. The kids watched the rocket take off from the ground.
孩子们观看火箭从地面起飞。