13 篇文章
And when a desert suddenly turns green,
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And when a desert suddenly turns green, 当沙漠突然变为绿洲

Suddenly, unpredictably, they may become inactive.
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Suddenly, unpredictably, they may become inactive. 说不定突然间它们就会消失

and guanacos and their newborn young must suddenly endure a blizzard.
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and guanacos and their newborn young must suddenly endure a blizzard. 羊驼和它们新生的幼仔 只好忍受突如其来的风雪