railbird / ˈreɪlˌbɜrd /

📖毕业后词汇铁鸟栏杆鸟轨道鸟轨行鸟

railbird 的定义

n. 名词 noun

Informal.

  1. a horse-racing fan who watches races or workouts from the railing along the track.
  2. any kibitzer or self-styled critic or expert.