Level 6 · word 16,597 of 20,000
hardness
/ˈhɑːrdnəs/
American

- n. 坚硬
- n. 严厉
- n. 困难
- n. 勇气
- Definition
- n. the quality of being firm
- n. the quality of being harsh
- n. the quality of being difficult
- n. the quality of being brave
- Example
- The hardness of the metal made it difficult to cut.
- 这种金属的硬度很高,很难切割。
Word familyhard-