Calda
abbr. Canadian Air Line Dispatchers Association 加拿大航空公司发报机协会
🗣️ 情景例句
I've known Martin for years.
我认识马丁好多年了。
Do you have any brothers or sisters?
你有兄弟或姐妹吗？
You must weigh it carefully.
你必须仔细地称一称重量。