Alphatron
α粒子电离压强计, α射线管
🗣️ 情景例句
No, nothing.
没有，没什么。
You're a good dancer.
你舞跳的真好。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。