Penetration core
[机] 增压砂心
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
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
His house is in the village though;
虽然他的屋子是在村子
Such beginning, such ending.
有怎样的开始，就有怎样的结束。
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，