shoulder strap
shoulder-strap的词性:n.(名词)
1. A strap, usually one of a pair, supporting a garment from the shoulder.背带:通常指从肩部支撑衣服的一对带子中的一根
2. A strap worn across the shoulder to support an item, such as a bag.背带:从肩头跨过的支持一物体的带子,如书包