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
You look great!
看起来很棒！
Honest men marry soon,wise men not at all.
老实的人早成婚，聪明的人不结婚。
Yes. That's just right. It's nice and soft, too.
对。那正好，又软又好看。