Bitonality
n. 双重调性；复调性
🗣️ 情景例句
I'm so glad.
我真高兴。
By the way, I don't want a night flight.
随便提一下，我不要夜航班机。
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。