名词
中文翻译：人类
同义词：
['human', 'earthling']
例句：
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1. We need to work together as a team to solve this problem.
我们需要作为一个团队来解决这个问题。
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2. The Earth is our home and we should protect it.
地球是我们的家，我们应该保护它。
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3. Humans have made great progress in science and technology.
人类在科学和技术领域取得了巨大的进步。