Cca
abbr. 常规军备委员会（Committee for Conventional Armaments）；加拿大建筑协会（Canadian Construction Association）；公用通信适配器（Common Communication Adapter）
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
Neglect of health is doctor's wealth.
忽视健康，医生财旺。
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。