Underframing
底层框架的材料或结构部件
🗣️ 情景例句
I saw a real shark.
我看到一条真正的鲨鱼。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
I still haven't given up my resolution to do more reading.
但我还没有放弃多看些书的决心。