原始语言

The protolanguage from which all Indo-European languages evolved is believed to have been spoken around 5,000 years ago.
所有印欧语言的原始语言被认为是在大约5000年前被使用的。

Linguists attempt to reconstruct protolanguages by analyzing similarities in modern language families.
语言学家通过分析现代语系中的相似性来尝试重构原始语言。

The clicks in some African languages are thought to be remnants of an ancient protolanguage feature.
非洲某些语言中的点击音被认为是一种古老原始语言特征的残留。

The concept of a protolanguage helps us understand the linguistic roots of human communication.
原始语言的概念帮助我们理解人类交流的语言根源。

Comparative linguistics studies the changes and commonalities that trace back to a shared protolanguage.
比较语言学研究可以追溯到共享原始语言的变化和共性。

The reconstruction of Proto-Indo-European reveals patterns of early human migrations and cultural exchanges.
重建原始印欧语揭示了早期人类迁徙和文化交流的模式。

Protolanguages, though not directly attested, provide a framework for understanding linguistic evolution.
虽然原始语言没有直接证据，但它们为理解语言进化提供了框架。

In historical linguistics, identifying protolanguages is crucial for mapping the development of languages over time.
在历史语言学中，识别原始语言对于绘制语言随时间发展的地图至关重要。

Theories about protolanguages often involve hypothetical reconstructions based on linguistic laws and comparative data.
关于原始语言的理论通常基于语言法则和比较数据的假设性重建。

Understanding the protolanguage of a language family can unlock insights into the shared history and culture of its speakers.
理解一个语系的原始语言可以揭示其说话者共同的历史和文化的见解。