Bch
abbr. 广播信道（Broadcast Channel）
🗣️ 情景例句
Youth boredom is the main culprit behind youth crime.
年轻人的无聊是青少年犯罪最大原因。
Would you ever have imagined him becoming a politician?
你想过他能当上政治家吗？
Good afternoon!
下午好！