49 篇文章
warm, wet conditions prevailed...
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warm, wet conditions prevailed... 温暖潮湿成为主流

Without warm summers to melt them,
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Without warm summers to melt them, 没有了温暖的夏季将其融化

they need little energy to keep warm...
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they need little energy to keep warm... 所以它们不需要多少能量 就能保持温暖

it has been too warm for ice to form.
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it has been too warm for ice to form. 温度都太高 无法形成冰冻

At these altitudes, mammals must feed regularly to keep warm.
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At these altitudes, mammals must feed regularly to keep warm. 海拔如此之高 哺乳动物必须定时进食以保持体温

the warm, wet conditions in which they had thrived began to change.
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the warm, wet conditions in which they had thrived began to change. 曾令它们兴旺发展的暖湿条件 开始发生变化

Like most reptiles, they must bask in the sun to warm up.
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Like most reptiles, they must bask in the sun to warm up. 与多数爬行动物一样 它们必须晒太阳以保暖

Feathers, that first evolved to keep dinosaurs warm,
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Feathers, that first evolved to keep dinosaurs warm, 羽毛最初进化是为帮助恐龙保暖

These survivors were kept warm by feathers...
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These survivors were kept warm by feathers... 这些幸存者靠羽毛保暖

Being able to stay warm
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Being able to stay warm 能够保持温暖