The bigger the animal is, the lower its surface-to-volume ratio; for every ounce of body mass, there is proportionately less surface through which heat can escape.

动物体型越大，其体表体积比越低；躯体每增加一盎司的重量，所能散发热量的表面就成比例减少。

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The National Museum of Dentistry in Baltimore, Md., has on display one of Washington's lower dentures—made from gold, ivory and lead, as well as human and animal teeth.

— 马里兰州巴尔的摩国家牙科博物馆的展品中有华盛顿的下半副假牙，用金子、象牙、铅还有人和动物的牙齿制成。

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Animal fats raise LDL cholesterol but do not lower HDL cholesterol.

动物脂肪提高了高密度脂蛋白胆固醇但不会降低低密度脂蛋白胆固醇。

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The actual Edie was a stick, not much more substantial than Twiggy (though sexier), with haunted, kohl-shadowed peepers and a hanging lower lip that made her look like a frightened animal.

NEWYORKER: Double Lives

The Taxpayer's Alliance, which lobbies for lower taxes, has said animals should be rescued by animal charities.

BBC: Devon and Somerset fire crews to train in animal rescue