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
I still live with my parents.
我还和父母同住。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。