This is the 458th most frequent Chinese word.
支
"支" means "to support," "branch," or "measure word for rods or objects like pens."
In this sentence, '支' is used as a measure word for pens.
我买了一支钢笔。
I bought a pen.
Here, '支' is used as a measure word for a team or group.
他是一支强大的队伍的队长。
He is the leader of a strong team.
In this case, '支' serves as a measure word for a music band.