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
for opening their home to me.
为我敞开大门。
I'll be right with you.
我马上就来。
Mr Green is from England.
格林先生从英国来。