Bacs
(bac 的复数) abbr. 二进制模拟转换（Binary-Analog Conversion）；（美国）波音飞机公司（Boeing Airplane Company）；英国飞机公司（British Aircraft Corporation）
🗣️ 情景例句
Take it easy, sir. I'll need your name, in full, and what's happened.
别着急，给我你的全名和事情的情况。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
Wei Hua had a busy day yesterday.
昨天魏华很忙。