Bcis
abbr. 广播干扰（Broad Cast Interference）；二进制码资讯（Begin Chain Indicator）
🗣️ 情景例句
Get this place picked up immediately. do you read me?
马上把这里收拾干净，听明白没有？
What time did you use to get up last year?
你去年时常什么时间起床？
Yes, please.
是的，我买一点。