tā / zài / yī / shēng / zhǐ / dǎo / xià / fú / yòng / shuāng / lǜ / miè / tòng / lái / huǎn / jiě / guān / jié / téng / tòng

他在医生指导下服用双氯灭痛来缓解关节疼痛。

He took diclofenac under a doctor's guidance to relieve joint pain.