肩带用英语可以称为“shoulder strap”或者“shoulder belt”。它的来源可以追溯到古希腊和罗马时期，当时人们会用一条条带子来挂住背心、护甲等物品，以方便携带。

例句：

The shoulder strap on my backpack is too long.我的背包肩带太长了。

She adjusted the shoulder strap on her purse.她调整了手包的肩带。

The shoulder strap on his guitar is frayed.他的吉他肩带磨损了。