Cocr
[计]= Cylinder Overflow Control Record,（圆）柱面溢出控制记录
🗣️ 情景例句
Play it cool.
做事要冷静。
Happy New Year!
新年快乐！
Last week No.14 Middle School held a sports meeting on the playground.
上星期第十四中学在操场举行了一次运动会。