Penetron tube
[计] 射线穿透管
🧩 词语组成解析
n. 介子
🗣️ 情景例句
Yes.
是的。
You use the front door and I'll hit the back.
你从正门进去，我袭击后面。
Some time ago, and interesting discovery was made by archaeologists on the Aegean island of Kea.
不久之前，在爱琴海的基亚岛上，考古工作者有一项有趣的发现。