underpinning
/ˈʌndərˌpɪnɪŋ/
American
- n. 基础材料, 支承结构
- Definition
- n. the materials or structure that support and strengthen something
- Example
- Strong values form the underpinning of a healthy, lasting friendship.
- 坚定的价值观是健康持久友谊的根基。