穿短袜的赤足舞会(一种在20世纪50年代盛行于高中学生中的非正式舞会)

Sock hops were popular in schools that had new and expensive floors in their gymnasiums.

那时，穿短袜的赤足舞会在一些学校里很流行，那些学校的健身房都装上了崭新的高级地板。