Alphatron
α粒子电离压强计, α射线管
🗣️ 情景例句
Do you know what I'm talking about?
知道我讲的是什么吗？
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
These were the so-called mainframe machines.
它们被称为主机。