a cloth band worn around the arm as a sign of something, for example that somebody has an official position 臂章；袖章 The stewards all wore armbands. 乘务员都戴了臂章。 🔊🔊 Many people at the funeral service were wearing black armbands. 葬礼上许多人戴着黑纱。 🔊🔊
either of two plastic rings that can be filled with air and worn around the arms by somebody who is learning to swim （学游泳时用的可充气）臂圈