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
My feeling is that you ought to stay home tonight.
我觉得今晚你应该呆在家里。
He's acomposer of serious music.I like his music a lot.
他是严肃音乐作曲家，我很喜欢他的音乐。
He read many books and paused in his work at six every evening for prayers, even when he was with other world leaders.
他阅读很多的书，每天傍晚六点钟，他就要暂时停下工作去做祈祷，甚至与世界上别的领袖在一起时也这样。