Underpinning
n. 基础材料, 支承结构
✅ 同义词
🗣️ 情景例句
That politician was involved in too many sex scandals when he was in power.
那个政客在任期间牵涉进太多的性丑闻之中。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
Have your mechanics finished yet?
你们的机械师修好了吗？