Djd
abbr. degenerative joint disease 关节变性病，退行性关节疾病
🗣️ 情景例句
around your schedule,
配合你的时间表
What time is the mail delivered on Saturday?
邮件在星期六什么时间被递送？
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。