Partial remains of five mastodons, three Ice Age bison and a juvenile Columbian mammoth, as well as plant matter and insects, have been found.

五头乳齿象、三头冰河期野牛和一头幼年哥伦比亚猛犸象的部分遗骸，以及植物和昆虫都已被发现。

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Three university students in Santiago, Chile, have developed a plant-powered device to charge their mobile phones.

智利圣地亚哥的三名大学生发明了一种能为手机充电的植物供电设备。

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It takes about three to six months for a rice plant to become ready.

一株水稻要三到六个月的时间才能成熟。

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Three were plant-eaters. They were the western horse, the ancient bison and a two-meter tall animal called the Harlan's ground sloth.

VOA: special.2010.04.07

Three shifts at a plant is considered beyond "full capacity, " which typically is two shifts running 40 hours a week.

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The plant has not strengthened electrical cables to withstand fire damage for one to three hours, a regulation established to provide necessary plant security in the event of an emergency.

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Shiro says he worked three years at a turkey processing plant in Minnesota so he knows how a slaughterhouse should be run.

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