yī / shēng / shuō / cháng / qī / quē / fá / huó / dòng / kě / néng / dǎo / zhì / guān / jié / zhōu / wéi / de / zǔ / zhī / gǔ / huà医生说,长期缺乏活动可能导致关节周围的组织骨化。The doctor said that a long lack of activity could cause the tissue around the joint to ossify.