For young horses, research shows that free exercise contributes to the development of a strong skeleton.

研究显示，能自由自在运动的年轻的马能有更强壮的骨骼。

youdao

For young horses, research shows that free exercise contributes to the development of a strong skeleton.

研究显示，能自由自在运动的年轻的马能有更强壮的骨骼。

youdao