When you need a chime at the beginning or the end of the broadcasting, push down this button. There are two kinds of the chime can be chosen.是什么意思_When you need a chime at the beginning or the end of the broadcasting, push down this button. There are two kinds of the chime can be chosen.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句