名词
中文翻译：袋鼠
同义词：
['kangaroo', 'wallaby']
例句：
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1.Echidnas are a fascinating species native to Australia.
袋鼠是澳大利亚一种迷人的物种。
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2. The echidna is known for its unique ability to jump high and run quickly.
袋鼠以其独特的跳跃能力和快速奔跑的能力而闻名。
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3.Echidnas are often seen in the wild, where they play an important role in maintaining ecosystem balance.
袋鼠在野外很常见，它们在维持生态系统平衡方面起着重要作用。