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
and photograph street performances in the city,
拍摄城市 的街头表演，
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
The assistant asked him to leave, but Dickie paid no attention to him and requested to see the manager.
店员让迪基走开，他置之不理，并要求见经理。