To find out, scientists first gelded some unfortunate individuals.

探寻答案，科学家们首先将一些不幸的小鸟阉割。

Mose hates to geld the horses by himself.

莫斯厌自己去给马打赌。

For a man who had spent most of the last fifteen years afoot he handled his mouse-colored gelding well.

对于一个过去 15 年中大部分时间行的人来说，他很好地处理他的老鼠色骟马。