arthritic       
 adjective uk/ɑːˈθrɪt.ɪk/ us/ɑːrˈθrɪt̬.ɪk/
 患有关节炎的
suffering from or affected by arthritis
  Her hands were swollen and arthritic. 她的手患有关节炎,肿得厉害。 
 arthritic joints 患关节炎的关节 
 arthritic       
noun [ C ] uk/ɑːˈθrɪt.ɪk/ us/ɑːrˈθrɪt̬.ɪk/
 关节炎患者
a person who suffers from arthritis
  Many arthritics find it difficult to climb stairs. 很多关节炎患者感到爬楼梯非常困难。