Perispondylitis
椎骨周炎
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
They are curious about what I've done with my time.
他们希望知道我一个人在做什么。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，