Underpinning
n. 基础材料, 支承结构
✅ 同义词
🗣️ 情景例句
I got lost for two days and I couldn't find anyone who could understand me.
我已经迷路两天了，找不到一个人可以听懂我的话。
What time do you start work?
你什么时候开始工作？
We're tired ...
我们累了。。。。。。