Radiotron
真空管, 三极电子管
🗣️ 情景例句
What's your position in the company?
你在公司任何职务？
A covetous man is good to none but worse to himself.
贪婪的人对别人毫无好处，对自己却坏处更大。
I'd like to have my boss go through the plant some day.
我真想叫我老板哪天也过来看看。