Bci
abbr. 广播干扰（Broad Cast Interference）；二进制码资讯（Begin Chain Indicator）
🗣️ 情景例句
What's the bottom line?
究竟是怎么回事？
I meet the boy whose aunt is a receptionist.
我遇到那个男孩的姑妈是接待员。
and should never be added to drinking water.
永远不能掺入饮用水。