Bci
abbr. 广播干扰（Broad Cast Interference）；二进制码资讯（Begin Chain Indicator）
🗣️ 情景例句
Where's your grandson Robbie and his friend Alexandra?
你的孙子Robbie和他的朋友Alexandra呢？
We are mutual friends.
我们彼此是朋友。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。