Dtmf
n. 双音多频
🗣️ 情景例句
so why don't we get right to work?
我们现在就开始工作， 好吗？
The news spread all over the world.
这消息传遍全世界。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。