Mcnally tube
[电] 反射调速管
🧩 词语组成解析
麦克纳利（人名）
🗣️ 情景例句
Thanks, no. I do have to go.
谢谢了， 不用。我真的得走了。
What do you want to be after school?
当你完成学业以后，你要做什么？
These were the so-called mainframe machines.
它们被称为主机。