名词
中文翻译：未开化
同义词：
['primitive', 'primordial', 'primitive society']
例句：
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1. The tribe had lived in a primitive community for centuries.
这个部落已经生活在一个原始社区中几个世纪了。
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2. The discovery of the primitive tool led to advancements in technology.
发现原始工具导致了技术的进步。
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3. Primitive societies often lacked modern infrastructure and were more vulnerable to natural disasters.
原始社会往往缺乏现代基础设施，更容易受到自然灾害的影响。