序号英语怎么说

序号的英文是 "serial number"。这个词的来源是拉丁语 "series" 和 "numerus"，意思是一系列的数字。

一些例句：

The serial number on my passport is 12345678.

Can you please give me the serial number of your product?

The serial number helps us track the manufacturing date of the product.