bull pen

"the bull pen isn't open to the public, " the guard told wilpon, obviously unaware of who he was. "i'm sorry, but you can't go out there. "

“练习区不对外开放，”保安对威尔彭说，显然不知道他的身份，“对不起，你们不能进去。”

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wilpon did none of that. he led the students to the far side of the stadium and took them into the bull pen through another gate.

威尔彭没有那样做。他领学童们到体育场的另一端，带他们从另一个大门进入了投手练习区。

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But right outside the bull pen gate, the group was stopped by a uniformed security guard.

可就在投手练习区的大门外, 他们被一个身穿制服的保安员挡住了.

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