chiefly N. Amer. <主北美>
1
- a baseball ground棒球场。
1.1
- informal a particular area or range〈非正式〉（特定的）区域; 范围：
we can make a pretty good guess that this figure's the ballpark.
我们完全可以猜测这个数据就是其范围。
as attrib.
- informal (of a price or cost) approximate; rough〈非正式〉（价格, 成本）近似的; 大致的：
the ballpark figure is $400-500.
近似数是400到500美元。