Secretary of State Webster sent his son Fletcher on horseback to tell Tyler of the president's death.

VOA: special.2009.01.29

They used even a horseback relay that could go a hundred kilometers a day.

采用了马背接力的形式，一日可以行进100千米。

耶鲁公开课 - 新约课程节选

There are these enormous statues. One of the statues is the President Theodore Roosevelt on a horse, on horseback.

有很多巨大的雕塑。其中一个雕塑是西奥多•罗斯福总统骑在马背上。

美国的博物馆教育 - SpeakingMax英语口语达人

It contains seven kilometers of paths for horseback riding and about ninety-three kilometers of walking paths.

VOA: special.2009.10.30

A group of sixteenth century warriors on horseback welcomes you in the Equestrian Court.

VOA: special.2010.08.04

They traveled on foot, by horseback and by boat to reach the gold fields.

VOA: special.2010.04.25

Each morning and evening, Lincoln rode between the two houses on horseback,unguarded.

VOA: special.2010.05.10

Stuart set off with more than a thousand men on horseback.

VOA: special.2009.09.17

Sometimes that means swimming, horseback riding or playing sports.

VOA: special.2010.08.20

He was alone, returning on horseback from Washington.

VOA: special.2010.05.10

The parade includes marching bands and horseback riders.

VOA: special.2009.12.28

Out back,you'll often see small flocks of sheep or goats being herded by riders on horseback.

VOA: standard.2010.03.22

Cowgirls in colorful outfits race on horseback around barrels placed throughout the arena.

VOA: standard.2010.01.25

It's a beautiful, wild trail for hikers,bikers, horseback riders - and canal lovers.

VOA: standard.2010.04.29