Hants
abbr. 谐波分析法（harmonic analysis method）
🗣️ 情景例句
Yes, this is my youngest son Robbie.
是的 这是我的小儿子Robbie。
What day is today?
今天星期几？
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。