Bac
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
It would be a great business if you could do that.
假如你能办到那样的话， 可是一笔大生意。
It started out to be a beautiful day.
刚开始天气不错。
Really? They're rather a strong team, aren't they?
是吗？他们可是只强队，不是吗？