名词
中文翻译：原始语言
同义词：
['primitive language', 'proto-language']
例句：
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1.The study of protolanguage is crucial for understanding the evolution of human communication.
研究原始语言对于理解人类交流的演变至关重要。
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2.In protolanguage, words are often represented by pictographs or symbols.
在原始语言中，单词通常通过象形文字或符号来表示。
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3.Protolanguage has been proposed as a way to study the earliest forms of human communication.
原始语言被提出作为一种研究人类最早交流形式的方法。