Bch
abbr. 广播信道（Broadcast Channel）
🗣️ 情景例句
What beautiful timing.
时间正合适。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
Would you let me know your fax number?
可以告诉我您的传真机号码吗？