“脚背”怎么读？

然后它懒懒地靠到林小姐的脚背上, 就林小姐的鞋底来磨擦它的肚皮.Lazily , he rolled over and rubbed his belly against the soles of the girl's shoes.我们的老师的脚背肯定有点毛病.Our teacher must have something the matter with her feet.婴儿手背 、 脚背上长小水疱?Does urine bl...

“脚背”的英语可以翻译为：instep ...