rocket science

• 航天器学； 复杂的事

rocket science的用法和样例：

例句

1. Astronomy is a very complicated science.
   天文学是一个非常复杂的学科。
2. The intricate controls and the guidance system have little to do with the force needed for getting a rocket off the ground.
   那些复杂的控制装置和导航系统与使火箭离开地面所需要的力关系不大。