Colt, filly or gelding up to one year of age.

马驹，1岁以下的小公马、小母马和小骟马的统称。

To lessen the chances of injury to the gelding, I made sure we were in an area where the ground was soft.

为了下下马威，我必需确定我们所在的区域，其地面是柔软的。