英语听力：自然百科 野性俄罗斯之西伯利亚 Siberia—17
时间：2014-05-26 06:06:38
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（单词翻译）
Three thousand five hundred meters up in the Sayan Mountains near the Russian-Mongolian border, Siberian ibex search for food. They scratch a living from the meager1 grasses on the sunnier south facing slopes. But some have a different sort of appetite. A big male checks out his group of females. For an ibex, foreplay means about thirty minutes of hitting, screaming, and urinating.While the alpha male's back is turned, a young pretender tries to muscle in on the action. But his clumsy advance alerts the boss. Time to move on.
At high altitudes, the temperature is always punishing. But now, all across Siberia, the big freeze returns, in some places dropping to minus 60 degree
Celsius2. The waters of Baikal slowly
glaze3 over, and will soon form an ice blanket nearly a meter thick.Snow
reclaims4 the mountains and
sweeping5 forests. But for some, the fun's just starting, wild boar.
These coarse-haired beasts have no complaints about the cold. They grow thicker winter fur to cope with the snow. A tough disk of cartilage turns their snout into a digging tool. They can easily
plow6 through snow and ice to
sniff7 out their supper. They have an
omnivorous8 diet. If they can find it, they'll eat it.
Their scene inadvertently helps the
ecosystem9 by
dispersing10 seeds around their habitat. Even the youngest piglets enjoy a rump, although they are very sensitive to cold.
Eventually, they'll have the benefit of the adults’ bushy
cant11. While this heavy sleeps and naps, the youngsters test their mental, preparing for their eventful shot, the big time.
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