单词：linebackers
音标：[ˈlainˌbækəz] ；
n. 后卫球员( linebacker的复数形式 )
n. a defensive football player who takes a position close behind the linemen
n. (American football) the position of a defensive football player who plays close behind the line of scrimmage
n. (American football) the position of a defensive football player who plays close behind the line of scrimmage