The doctor gave me a boot to wear for my sprained ankle.
大夫给了我一只套靴来保护我扭伤的踝骨。
2
Shoe: Outer covering for the foot, usually of leather, with a stiff or thick sole and heel, and generally reaching no higher than the ankle (unlike a boot).
鞋：人脚的保护性外套，通常以皮革制成，具有坚厚鞋底和鞋根，高度一般不超过足踝(与靴类有别)。
3
Wilshere has recently been wearing a protective boot aimed at allowing a stress fracture of the ankle time to heal naturally and avoid surgery.