Penetron tube
[计] 射线穿透管
🧩 词语组成解析
n. 介子
🗣️ 情景例句
I'm on coffee break.
我正在休息时间。
Silence is more eloquent than words.
沈默是更有说服力的言词。
You're never too old to enjoy a Christmas stocking.
“你永远不会老到不能享受圣诞袜的乐趣，”