Chin strap
01
下巴带, 帽带
a strap attached to a hat; passes under the chin and holds the hat in place
02
下巴带, 颚带
a padded strap that secures a helmet to your chin, used in sports like American football and baseball
例子
The chin strap felt loose, so I tightened it before stepping onto the football field.
下巴带感觉松了，所以我在踏上足球场之前把它系紧了。
The worn-out chin strap needed replacing to ensure proper helmet fit.
磨损的下巴带需要更换以确保头盔的合适佩戴。
