钴弹

例句：

1. 1. The missile was launched from adistance of 50 kilometers.
   导弹从50公里外发射。
2. 2. Thescientist used a special deviceto launch the rocket.
   科学家使用一种特殊的装置来发射火箭。
3. 3. Themissile was designed to be launched from undergroundbunkers.
   导弹被设计成可以从地下掩体发射。