Gecs
[计]= Ground Environmental Control System,地面环境控制系统
🗣️ 情景例句
No, …is not in right now. May I take a message?
不， ……现在不在这儿。 我能帮你捎个口信吗？
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
It was a great help to me.
真是获益良多