Djd
abbr. degenerative joint disease 关节变性病，退行性关节疾病
🗣️ 情景例句
Don't worry. You'll get used to it in no time.
别担心，你会很快习惯的。
Could you tell me where is the exit?
你能不是告诉我出口在哪里？
They work all day.
他们整天营业。