Underframing
底层框架的材料或结构部件
🗣️ 情景例句
And now to see the end of the football game.
现在去看看足球赛的最后一段。
When I traveled to a foreign country, I was very aware that I was a Chinese.
当我出国旅行时，我非常明白自己是一名中国人！
You're really talented.
你很有天赋。