名词中文翻译
中文翻译：不发达
同义词：
['undeveloped', 'uncivilized', 'primitive']
例句：
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1.The country's economy is still very unsophisticated compared to the developed world.
该国的经济与发达国家相比仍然非常不发达。
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2. The children were playing with toys that were quite unsophisticated.
孩子们在玩玩具，这些玩具相当原始。
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3.The research team found that the ecosystem was not yet unsophisticated enough to support human life.
研究小组发现，这个生态系统尚未足够原始以支持人类生活。