bullpen，英语单词，主要用作名词，作名词时译为“牛栏；大房间；（棒球）候补队员区”。
单词用法
柯林斯英汉双解大词典
bullpen /ˈbʊlˌpɛn/ ( bullpens )
1.N-COUNT In baseball, a bullpen is an area alongside the playing field, where pitchers can practise or warm up. (棒球)投手练球区 [美国英语]
短语搭配
bullpen blast 大联盟之先发投手 ; 互盟之先发投手
bullpen squad 候补队员
Bullpen Pitcher 饰投手
Bullpen Office 大空间办公室
Bullpen Landing 城市
bullpen's bowl 投手板
The Deer in the Bullpen 牛栏里的鹿