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
Is smoking allowed on the train?
火车上允许吸烟吗？
It's not my idea!
这主意不是我出的！
It's on the edge of the lake that has been made by the Dam.
这座庙座落在由高坝形成的湖边上。