Callsigns
(callsign 的复数) n. 通信呼号
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
Do you think you could keep the noise down?
你看能不能小声一些？
I've enjoyed the sports and I've enjoyed learning Chinese.
我喜欢体育，还喜欢学汉语。