Telesignalisation
遥测信号
🗣️ 情景例句
In fact, I love what I do ...
事实上 我热爱我的工作……
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
There is so much variety that you never have to make do with second best.
物品种繁多，从来不必用二等品来凑合。