我们把两匹矮种马套到了车上。

We harnessed two ponies to the cart.

《牛津词典》

他们把矮种马赶进了畜栏。

They drove the ponies into a corral.

《牛津词典》

发育不良、未长到与同种马一般大小的马也不称矮马。

Horses that do not develop to roughly the same size as the rest of their breed are not ponies either.

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