bull-pen

n.

候补投手练习区；

Bull Pen
Bull-pen-gate lock or fastener
Blame It on the Bull-Pen
From Statehouse to Bull Pen: Idaho Populism and the Coeur d'Alene Troubles of the 1890's
Memories from the Bull Pen and Lincolnand
From bull pen to bargaining table : the tumultuous struggle of the Coeur d'Alenes miners for the right to organize, 1887-1942
EC626 Revised 1933 Selection and Care of Dairy Sires -- The Nebraska Safety Bull Pen
Powering Up Pirates Hit 4 Hrs, Ravage Milwaukee's Bull Pen in Late- Inning Outburst Pirates 11, Brewers 2
Excavations at the Bull Pen Site 41BP280, Colorado River Drainage, Bastrop County, Texas
The Bull Pen