"armband" in Chinese (Simplified)
臂章臂带
Definition
戴在上臂的带子，通常表示特殊身份、角色或支持某项活动。也可以用于锻炼时携带小物品。
Usage Notes (Chinese (Simplified))
常用于体育队长（队长臂章）、表示哀悼（黑色臂章）或支持某种活动。另外也可指运动时装手机的带子。不要与戴在手腕上的“手镯”混淆。
Examples
The team captain wears a red armband.
队长戴着一个红色的**臂章**。
She puts her keys in an armband when she goes running.
她跑步时把钥匙放在**臂带**里。
He wore a black armband to honor his friend.
他戴上黑色**臂章**来纪念朋友。
Do you have an armband for your phone when you work out?
你锻炼时用**臂带**装手机吗？
After the loss, the entire team wore black armbands on the field.
失利后，全队都在场上佩戴了黑色**臂章**。
My old armband keeps slipping off during my run—time for a new one!
我旧的**臂带**跑步时总是滑下来，该换一个新的了！