Unicom
abbr. underwater integration communication 水下综合通讯; universal communication 通用通讯
🗣️ 情景例句
Thank you, sir.
谢谢您，先生。
I can't be sure of my future plans.
我还没有明白地定下我将来的计划。
I believe we should buy the smaller one.
我认为我们应该买较小的机子。