Underframing
底层框架的材料或结构部件
🗣️ 情景例句
Do you have any suggestions?
你们有什么建议吗？
I get up at 6 o'clock every day.
我每天在6点钟起床。
I think all the changes are easy to see.
我想所有修改过的地方都很容易看出来吧