As a rough guide, a horse needs 2.5 percent of its body weight in food every day.

作为一个大致的标准，一匹马每天需要相当于它体重2.5%的食物。

《柯林斯英汉双解大词典》

They put much of their weight on the heels of their palms, which are rough and calloused.

他们把大部分的重量放在手掌的后跟部，手掌很粗糙而且很硬。

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Burchard shaped the new material into rough - textured lightning bolts of foam that locked together to stay put under the weight of heavy, priceless objects.

伯查德把这种新材料做成表面粗糙的闪电形状的泡沫，让他们可以互相扣在一起，稳稳的垫在那些很重又很昂贵的物品下面。

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The ice adds weight to an aircraft, and rough accumulations known as rime interrupt the flow of air over wings.

WSJ: NTSB: Pilot action, icing led to NJ plane crash