the inner sole of a shoe or boot where the foot rests
同义词：innersole
insole详细解释
in.sole n.（名词）The inner sole of a shoe or boot.鞋或靴子的内底An extra strip of material put inside a shoe for comfort or protection.Also called innersole 鞋垫：为了舒适或保护而放入鞋里的一种条形的东西也作 innersole
