Sacrocoxalgia
骶尾骨痛
??? 情景例句
I'm enjoying learning things from a new culture.
我十分喜歡從一種新文化中獲取知識。
Don't get on my nerves!
不要攪得我心煩。
This is because the surface of the earth is not flat but round.
因為地球表面不是平的，而是圓的。