出于这样的缘故，医生和护理职员就必需保证老年人们的饮食健康，并且主动增补维生素D来保护和强健他们的骨骼。

For this reason, it is crucial doctors and carers ensure they have a nutritious diet and are given vitamin D supplements to protect their bones, it adds.

youdao

出于这样的缘故，医生和护理职员就必需保证老年人们的饮食健康，并且主动增补维生素D来保护和强健他们的骨骼。

For this reason, it is crucial doctors and carers ensure they have a nutritious diet and are given vitamin D supplements to protect their bones, it adds.

youdao