word boundary

例句：

1. 1. The word boundary is a crucial concept in language processing.
   词汇边界是语言处理中一个至关重要的概念。
2. 2.The research on word boundaries has greatly advanced our understanding of language structure.
   关于词汇边界的研究极大地推进了我们对语言结构的理解。
3. 3.In this study, we will explore the word boundaries of different languages to understand their similarities and differences.
   在本研究中，我们将探索不同语言的词汇边界，以了解它们之间的相似性和差异性。