System Training Mission

• 系统训练任务

System Training Mission的用法和样例：

例句

1. The recruits have completed their parachuting training program.
   新兵已完成伞降训练任务。
2. The pilot thought he dropped the rocket over a field during a practice mission in Kansas.
   这位在堪萨斯执行训练任务的飞行员还以为他把火箭投到了旷野里。