Bch
abbr. 广播信道（Broadcast Channel）
🗣️ 情景例句
I'm sure it's in your purse, Mrs. Tobin.
我相信是在你的皮包 Tobin太太。
I hope you'll be well soon.
祝你早日恢复健康。
Er, this is Lucy, and er, this is Lily.
这个是露茜，这个是莉莉。