Gdf
n. 气体动力设备（Gas Dynamic Facility）
🗣️ 情景例句
So I'd like to go over the details with you.
因此，我想同你们谈谈细节性的问题。
I have a feeling he will get to the airpot on time.
我有一种感觉他会准时到机场。
What's your name?
你叫什么名字？