玻璃蛙源自委内瑞拉，是两栖动物家族瞻星蛙科(无尾目)成员。
Native to Venezuela, the Glass Frogs belong to the amphibian family Centrolenidae (order Anura).
一项对2000个古代化石进行的开拓性研究揭示了从历史上看，猫科动物家族的生存能力远远强于犬科动物家族，而且猫科动物的生存是以犬科动物的损耗为代价的。
A groundbreaking study of 2,000 ancient fossils reveals that felids - the cat family - have historically been much better at surviving than the "canid" dog clan, and often at the latter's expense.
到处装点着凶恶的家族肖像和阴森的动物头颅。
It was decorated with sinister family portraits and looming animal heads.
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