Radiotron
真空管, 三极电子管
🗣️ 情景例句
And then make your own decision.
然后你自己做决定。
He's a teather.
他是教师。
Mrs.Richards realized that it must be the man from the Electricity Board who had come to read the metre.
理查兹夫人这才想到一定是供电局来人查电表了。