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
Well ... you mind if I look around
嗯……你们不介意我到处瞧瞧
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。
'The light is dim.Read the letter to me'.
“光线太暗，请给我读一下这封信。”