Underpinnings
(underpinning 的复数) n. 基础材料, 支承结构
🗣️ 情景例句
Oh, you poor little thing.
哦，可怜的小东西。
He that is angry is seldom at ease.
怒者寡宁。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。