Core refractoriness
[机] 砂心耐火度
🧩 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）;
[化] 耐火度\\n[医] 不应性, 难治
🗣️ 情景例句
About what?
关于什么
To make enemies, talk; to make friends, listen.
要成仇敌，多讲；要成朋友，多听。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。