名词
中文翻译：鸭嘴兽
同义词：
['alligator', 'alligator', 'crocodile']
例句：
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1.Apatosaurus was the first dinosaur to be discovered in North America.
鸭嘴兽是第一种在北美被发现的恐龙。
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2. The fossilized remains of apatosaurus have been found in China.
中国的化石遗迹中发现了鸭嘴兽的遗骸。
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3. Apatosaurus lived during the Late Cretaceous period, about 65 million years ago.
鸭嘴兽生活在大约6500万年前的白垩纪末期。