她的关节一运动就疼。

Her joints ache if she exercises.

《柯林斯英汉双解大词典》

她的关节炎每到冷天就发作。

Her arthritis kicks up in cold weather.

youdao

有关克隆动物的健康状况及生命周期仍存在不确定性；绵羊多莉2003年就曾因癌症及关节炎过早死去。

Uncertainties about the health and life span of cloned animals persist; Dolly died prematurely in 2003 after developing cancer and arthritis.

youdao

and the ground is really soft, so that you don't end up hurting your joints.

土地也很柔软，这样你的关节就不会受伤了。

What do you 实战 - SpeakingMax英语口语达人