1、My fingers and toes were covered in chilblains after being out in the cold for too long.
在寒冷的天气里呆了太久，我的手指和脚趾上长满了冻疮。

2、She had developed a painful chilblain on her heel from wearing thin socks in the winter.
她因为冬天穿薄袜子，脚后跟上长出了一个痛苦的冻疮。