inclusion(noun): the act of including something or someone into a group, a list, an event, etc. - With the inclusion of golf and rugby, the number of sports increased to twenty-eight.

lobby (verb): to try to persuade powerful people to make a certain decision - Companies pay people lots of money to lobby politicians.

equestrian (adj): related to riding horses - My daughter loves horses, so she wants to see the equestrian events.

fencing (noun): the sport of fighting with a long thin sword - Fencing is still quite popular in some parts of Europe.

pentathlon (noun): an event that combines competitions in five different sports - Can you remember which sports are included in the pentathlon?

triathlon (noun): an event that combines competitions in three different sports - You have to be very fit to complete a triathlon.

dressage (noun): a set of controlled movements that a horse and rider perform - It must take a long time to train a horse for dressage.

show jumping (noun): a sport in which a horse and rider jump over obstacles - Show jumping looks like fun, but jumping those fences must be dangerous.

eventing (noun): equestrian sport that includes dressage, cross-country and show jumping - My wife's competing in this year’s national eventing championships.

persuade [pə´sweid]   v.(被)说服；使相信   (初中英语单词)

related [ri´leitid]   a.叙述的；有联系的   (高中英语单词)