Core system
[计] 核心系统
🧩 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）;
🗣️ 情景例句
Well, I've thought a lot about which college,
嗯， 我为了上哪一所大学想了很多，
There is no time like the present.
机不可失，时不再来。
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？