形容词
中文翻译：原始的
同义词：
['primordial', 'primitive', 'rudimentary']
例句：
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1.The primitive tools were used to build the first shelters.
这些原始工具被用来建造最早的庇护所。
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2. Primitive societies relied heavily on hunting and gathering for survival.
原始社会严重依赖狩猎和采集来生存。
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3. Primitive languages are difficult to learn because they lack a written system.
原始语言难以学习，因为它们没有书面系统。