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
Sure I am. But there's so much more to consider.
我当然兴奋。但是还有那么多问题需要考虑。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？
What a shame! Never mind, I'll write to him.
真遗憾！不要紧，我会给他写信的。