1、mare
意思：母马或母驴，即a female horse or donkey .
例句：His mother made him sandwiches，and his father accompanied him ，on his own mare，a litte way along the road.
他母亲亲自给他做了三明治，他父亲骑上自己的一匹母马，陪他走了一段路。
2、stallion
意思：牧马，尤指种马，即公马a fully grown male horse ，especially one that is used for beeding.
例句：A loose stallion galloping around the showground can be extremely dangerousdangerous.
3、pony/colt
意思：pony名词意思是“小马，矮马”（a type of small horse），形容词意思是“小型的”。
例句：You just let him do what he wants to do and if he wants to paint a picture of a pony， you just let it happen.
