Core hardness
[机] 砂心硬度
🧩 词语组成解析
core
[kɔ:]
n. 中心，核心，精髓;果心，果核;[地质学]地核;[计] 磁心;
vt. 去（果）核，挖去…的果心;提取岩芯（样品）;
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
Smoking is harmful to your health.
吸烟有害健康。
The doctor said I should stop smoking cigarettes.
医生劝告我戒烟。
That would be a waste of money. What's your opinion?
那就浪费钱了。你的意见呢？