weight-bearing       
adjective uk/ˈweɪtˌbeə.rɪŋ/ us/ˈweɪtˌber.ɪŋ/
 负重的,承重的
supporting the weight of your body or a building
  weight-bearing joints such as the knees 担负身体重量的关节,如膝关节 
 Weight-bearing exercise is very good for the bones. 负重运动对骨骼十分有益。 
 a weight-bearing wall 承重墙