Acca
abbr. 特许公认会计师公会（Association of Charted Certified Accountants）；美国空调承包商协会（Air Conditioning Contractors of America）
🗣️ 情景例句
That's okay.
没事儿。
I'm afraid you will miss your train.
我怕你会错过火车。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。