Callsign
n. 通信呼号
🗣️ 情景例句
Thanks, Son.
谢谢你， 儿子。
The sooner we go and face the music the better.
咱们还是早点去挨批为好。
Over a year passed before the first attempt was made.
然而一年多过去了才有人出来尝试。