参加马术比赛英语怎么说

参加马术比赛英文表达方式有多种，具体可以使用下列表达方式之一：
compete in a equestrian competition
participate in a horse riding competition
enter a horseback riding competition
take part in a equestrian event
这些表达方式的来源都是基于英文中马术比赛的相关词汇，例如：competition（比赛）、participate（参加）、enter（参加）、event（比赛）、equestrian（马术的）、horse riding（骑马）、horseback riding（骑马）等。
下面是一些例句：
I'm planning to compete in a equestrian competition next month.
我打算下个月参加一场马术比赛。
She participated in a horse riding competition last weekend.
她上周末参加了一场骑马比赛。
He's going to enter a horseback riding competition next year.
他打算明年参加一场骑马比赛。
They took part in a equestrian event yesterday.
他们昨天参加了一场马术比赛。