Callsigns
(callsign 的复数) n. 通信呼号
🗣️ 情景例句
We could call it Deep Sleep Country Air.
我们可以称它为"沉睡的乡村空气"。
Out of sight, out of mind.
久违情疏。眼不见，心不烦？
I'm glad to hear that.
真是好消息，