armband
剑桥词典
- [ 可数名词：有复数形式的名词 ]
a piece of material that a person wears around the arm as a sign of something, for example an official position
臂章；袖标
All the stewards at the racetrack were wearing armbands. 所有在跑道旁的工作人员都戴着袖标。
black armbands for a funeral 参加葬礼戴的黑臂纱
[ 可数名词：有复数形式的名词 通常作为复数使用的名词 ] UK (US waterwings)
a hollow , ring-shaped piece of plastic filled with air , that people who are learning to swim wear on their arms in water to help them float
（游泳用的）充气浮臂，救生臂环