Cama
abbr. 集中式自动化通话记帐制（Centralized Automatic Message Accounting）；民用航空医学协会（Civil Aviation Medical Association）
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
What are you so excited about?
什么事让你如此兴奋？
You must be more careful! That car nearly hit you.
你得多加小心！那辆小车差一点碰着你了。