名词
中文翻译：Unknown
同义词：
['1.launcher', 'propellant']
例句：
-
1. The popper was used to launch the rocket into space.
弹射器被用来将火箭发射到太空。
-
2. The scientist used a popper to test the new material's strength.
科学家使用弹射器来测试新材料的强度。
-
3. The popper was responsible for launching the rocket into orbit.
弹射器负责将火箭送入轨道。