Underframing
底层框架的材料或结构部件
🗣️ 情景例句
That's something I'd rather not talk about just now.
这些事我现在不想谈论。
You have your point of view,and I have mine.
你有你的观点，我有我的。
Why did you shave it off?
你为什么把它刮了？