Penetron tube
[计] 射线穿透管
🧩 词语组成解析
n. 介子
🗣️ 情景例句
I need some good photos for my advertising, Mr. Stewart.
我做广告需要一些好照片， Stewart先生。
What would you do if I told you I was going to quit my job?
如果我告诉你我准备辞职，你会怎么办？
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。