on horseback

基本解释

The vast and unknown valleys are populated only by flocks of sheep and shepherds on horseback.
巨大的无名山谷只有一群群的绵羊和骑在马背上的牧羊人欣赏。
Instead, she was forced to gamble on a perilous mountain escape to the comparative safety of northern Iraq, escorted by Kurdish guerrillas on horseback.
于是，她被迫碰运气在马背上的库尔德游击队护送下，走危险的山路逃往相对安全的伊拉克北部。
Long before before U-Boats or Red October, the Confederate States of America were fighting bloody battles against the North on foot, on horseback, and with at least one hand-powered submarine.
早在U-型潜艇和红色十月号诞生之前，南方联盟在陆上、马背上以及至少一艘人力潜艇上与北方军进行过浴血奋战。

Finally,it was done. The next morning, Lincoln -- on horseback led a slow parade to the new cemetery.
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
Secretary of State Webster sent his son Fletcher on horseback to tell Tyler of the president's death.

Perhaps the loss of an American West that was discovered on horseback, a West without roads.
ECONOMIST: America’s highways