Pucs
abbr. propellant utilization control system （火箭）燃料有效利用控制系統
??? 情景例句
Why shouldn't I run?
為什么我不該競選？
Where are you going?
你要去哪里？
Look, Scott.This is a photograph I took during my trip to Australia.
看，這是我到澳大利來旅行時拍的一張照片。