基本释义
常见搭配
词形变化
相关例句
ringleader
6.The accused ringleader of the 2004 Madrid train bombings has been acquitted .
8.Any ringleader who organizes or leads a criminal group shall be punished on the basis of all the crimes that the criminal group has committed.
9.Atta is believed to have been a ringleader of the hijackers, but it is not known whether he wrote the letter.

