Call sign
[计] 调用符号, 呼号
🧩 词语组成解析
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
🗣️ 情景例句
Happiness is a personal choice.
快乐是个人的选择。
What's the date today?
今天几号？
It's a bus.
一辆公共汽车。