earflap

名词 earflap:

1. one of two flaps attached to a cap to keep the ears warm
   同义词：earlap

ear.flap

n.（名词）
A flap attached to a cap that may be turned down to cover the ears.Also called earlap
耳扇：帽子上可放下来盖住耳朵的一种帽扇也作 earlap