n.臂带( armband的名词复数 )，臂章，救生臂环，充气臂圈...

armbands的音标：...

The stewards all wore armbands.乘务员都戴了臂章。You got your armbands and whistles.你们都得到臂章和警笛了.All the soldiers must pin their armbands on.所有的战士都必须佩戴袖章....