Polytonism
多音调性
🗣️ 情景例句
I'd like to make a couple of proposals to improve the whole situation.
为了改善整个局面，我们提出若干建议。
Sorry, sir. But it's our graduation day.
对不起，不过，今天是毕业的日子嘛。
My grandpa died of hunger in the old days.
我爷爷在旧社会死于饥饿。