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It's a resounding 'no', from the mountaineers BBC News spoke to.。业内人士推荐WPS官方版本下载作为进阶阅读
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Today, this ability to maintain a stable body temperature—called homeothermy—is known to exist among myriad species of mammals and birds. But there are also some notable exceptions. The body temperature of the fat-tailed dwarf lemur, for example, can fluctuate by nearly 45°F (25°C) over a single day.