Overalls are trousers that are attached to a piece of cloth which covers your chest and which has straps going over your shoulders. 工装裤
noun [专属名词][服装] 工装裤;工作裤
Overalls consist of a single piece of clothing that combines trousers and a jacket. You wear overallsover your clothes in order to protect them while you are working. (连体的) 防护服