Underpinner
n. 支承用的支撑,支柱
🗣️ 情景例句
Let's meet with Charley at the university club.
我们就去大学俱乐部见见Charley吧。
Yes, I have your eraser, too.
是的，我还拿了你的橡皮。
I don't know. What about this blue one?
我不清楚，这个蓝的怎么样？