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
how would you do it?
你怎么说？
9:25 on Track 12.
9点25分，12轨道。
'How did your clothes get into such a mess?'
“你的衣服怎么搞得一塌糊涂？”