Gecs
[计]= Ground Environmental Control System,地面环境控制系统
🗣️ 情景例句
But this should be your decision.
但这必须由你做决定。
I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间，否则生命将会在无所事事中告终。
What march?
什么游行？