zhè / zhǒng / gāo / yào / xū / yào / fū / tiē / zài / téng / tòng / de / guān / jié / shàng / měi / tiān / gēng / huàn / yí / cì

这种膏药需要敷贴在疼痛的关节上，每天更换一次。

This medicinal patch should be applied to the painful joint and replaced once a day.