is

3080 篇文章
The old male is tracking a herd.
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The old male is tracking a herd. 年老的公豹在追踪一群山羊

is a key mammalian trait.
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is a key mammalian trait. 是哺乳动物的一项重要特征

The leopard is very old,
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The leopard is very old, 雪豹年纪很大了

The young Doedicurus is so much smaller.
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The young Doedicurus is so much smaller. 巨犰狳幼崽小得多

But there is one obvious opportunity.
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But there is one obvious opportunity. 但有一个明显的机会

The giant armadillos' armor is completely impregnable...
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The giant armadillos' armor is completely impregnable... 巨犰狳的盔甲坚不可摧

For the young Doedicurus, the only option is to stay put.
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For the young Doedicurus, the only option is to stay put. 对巨犰狳幼崽来说 唯一的选择是保持原地不动

is also a mammal...
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is also a mammal... 也是哺乳动物

The calf is safe once more...
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The calf is safe once more... 幼崽又安全了

but the calf is tiring.
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but the calf is tiring. 但幼崽逐渐疲惫