Caaa
abbr. Composers Authors and Artists of America 美國作曲家; College Art Association of America 美國大學藝術協會; Canadian Association of Advertising Agencies 加拿大廣告代理協會; California Agricultural Aircraft Association 加利福尼亞農用飛機聯合會
??? 情景例句
Oh, here he comes.
噢，他來了。
I have some difficulty in expressing myself.
我表達起來有點困難。
Are you all in the same school?
你們在同一個學校嗎？