Oscitron
隧道二极管振荡器
🗣️ 情景例句
Shantou is a boom town, it's a haven for the manufacturing industry.
汕头是一个新兴的城市，是制造业的港湾。
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
I think so.
我也这么想。