equestrian
词根词缀：
equestrian n. 骑师
equ 马 + estr + ian 某种职业的人 → 骑师
equestrian adj. 骑马的
equine adj. 马的
equ 马 + ine 具有…性质的 → 马的
equitation n. 骑马术
equ 马 + itation → 骑马术
数据来源：新东方英语词汇速记大全
相关例句：
Dressage is often called the "ballet" of equestrian sports.
其它解释就是：盛装舞步是马术中的芭蕾。
Look for A Professional Club to Learn Equestrian?
想寻找一个专业的俱乐部学习马术？
The equestrian events for the29th Olympic Games will be held in hongkong, china.
第29届奥运会马术比赛在中国香港举行。
The national and international rules and regulations in equestrian sport regarding the health and welfare of the horse must be adhered to not only during national and international events, but also in training.
不仅在马术比赛中，而且也在训练中，都必须坚持本国和国际的马术规则和规章中有关马匹健康和福利的规定。
More stable: gymnastics, equestrian, swimming, gymnastics, diving, modern pentathlon.
更稳：体操、马术、花样游泳、艺术体操、跳水、现代五项。
Earlier this month I wrote here that the Swiss team has withdrawn from the equestrian events for the Beijing olympics.
更早我这里写了的这个月瑞士队为北京奥林匹克从骑马的事件撤退了。