hardness
/'hɑ:dnis/
📖 中文释义
- n. 坚硬, 困难, 严厉, 勇气
- [化] 硬度
🔗 释义中的汉语词
🧩 词形变化
复数 hardnesses
🔵 同义词
🔴 反义词
📘 English Definition（英文释义）
- n. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
- n. a quality of water that contains dissolved mineral salts that prevent soap from lathering
- n. the quality of being difficult to do