unfired rocket

例句：

1. 1. The unfired rocket was a test of the new technology.
   未发射的火箭是新技术测试。
2. 2. The unfired rocket is still in development and has not been launched yet.
   未发射的火箭仍在开发中，尚未发射。
3. 3.The unfired rocket is a symbol of our country's technological advancement.
   未发射的火箭是我们国家技术进步的象征。