broadcaster /ˈbrɔːdˌkɑːstə/

• 1. 

  N-COUNT A broadcaster is someone who gives talks or takes part in interviews and discussions on radio or television programmes. 广播员

  例：

  ...the prominent naturalist and broadcaster, Sir David Attenborough.

  …著名的博物学家兼广播员大卫·阿滕伯勒爵士。