Harmonics
n. 乐音学
✅ 同义词
🔴 反义词
🗣️ 情景例句
Many students are working at part time jobs.
许多学生兼职打工。
How long did the movie last?
电影放了多久了？
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。