Gecs
[计]= Ground Environmental Control System,地面环境控制系统
🗣️ 情景例句
You'll do great. break a leg!
你会干得很棒的，祝你好运！
This is Mary Speaking.
我是玛丽。
OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where
00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。