anchor man
1 person who co-ordinates the work of a group, esp that of interviewers and reporters in a radio or television broadcast (尤指无线电或电视采访的)主持人.
2 strong member of a sports team who has a vital part to play (运动队员中的)主力
The anchor man in a relay team runs last. 接力队中的主力跑最後一棒.