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
I made a pig of myself.
我吃得像一头猪！
To drink brandy
喝白兰地
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。