Underpinning
n. 基础材料, 支承结构
✅ 同义词
🗣️ 情景例句
He looked up at me.
他仰头看我。
By doing nothing we learn to do ill.
懒散学为非。
He was a sleek, short man with a bright bald-head, pink face, and gold-rimmed glasses.
他身材矮小，穿着时髦，头光秃，面粉红，戴一副金丝边眼镜。