She moves the 2 REINS slightly, and a pair of 1,800-pound Belgians respond, bringing new meaning to the term "horse power."

她轻轻抖了抖缰绳，一对重达1800磅(816公斤)的比利时马应声而动，为“马力”这个词带来了全新的含义。

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To reach this heart of the darkness, you step into a pair of hiking boots or mount a horse.

为了实现这一核心的黑暗，你走进一家对远足靴或装入一匹马。

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A slow, cadenced trot in which the horse alternately raises and returns to the ground first one diagonal pair of feet, then the other.

巴沙基，斜横步马术中的一种慢而有节奏的步子，令马一对斜对脚与另一对交替着抬起和放下。

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The pair were well ahead coming to the last but the horse stumbled badly on landing but somehow Geraghty managed to hold on.

BBC: SPORT | Other Sport | Horse Racing | Success for Kicking King

The last gallery has a pair of albumen prints by Gardner from May 1865 one of a triumphant parade led by horse-mounted soldiers along a Washington avenue, the other of a grandstand of spectators that point toward the future of photography.

WSJ: Photography and the American Civil War | Metropolitan Museum of Art | The War Between the Lensmen | By Richard B. Woodward