Radiotron
真空管, 三极电子管
🗣️ 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
Are you required to fill a quota of work each month?
你被要求每月都要达成工作的目标吗？
And if you think you'll abandon meat and become a vegetarian,
如果你想放弃肉类而变成一位素食者，