translation.en: It was that enveloping, and there was only one spot that didn't hurt and it was my instep, and he was holding the arch of my foot and rubbing the instep with his thumb.
translation.zh: 全身上下 唯一不那么疼的地方 是我的脚背 医生拿住我的脚弓 正用大拇指按摩我的脚背