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
Oh, he's adorable!
哦 ，他可爱极了。
She's engaged married to John.
她和约翰订婚 结婚了。
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.
和尊敬的作家，都立即承认在他们动笔时，不清楚要写什么，怎么写。