catenation

例句：

1. 1. The two sentences are connected by a comma.
   这两个句子通过逗号连接。
2. 2. DNA is made up of long chains of nucleotides that are linked together through catenation.
   DNA由长链的核苷酸组成，这些核苷酸通过连接在一起而形成。
3. 3. The book was written in such a way that it could be easily read and understood by readers who are not familiar with the language.
   这本书的写作方式使得不熟悉这种语言的读者能够轻松阅读和理解。