Pencil core
[机] 增压砂心
🧩 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
He's running for the school board.
他正在竞选联合校董会董事。
I fear the Greeks, even when bringing gifts.
敌人献礼品，千万莫轻信。
Is it expensive to hire a car?
租车贵不贵？