Arthroses
pl. 关节, 关节病
🗣️ 情景例句
Look, who's here, Peter!
看，这是谁，彼得！
What will you do the day after on next?
后天你干什么？
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。