更新快递单号英文怎么说

更新快递单号的英文表达是 "update the tracking number"。

来源：

"Update" 是英文动词，意思是 "to make something more modern or suitable by adding new information or changing its design"，例如：

I need to update my phone's software.
She updates her blog every week.

"Tracking number" 是英文名词，意思是 "a number that is assigned to a package when it is sent by mail or depvered by a company pke FedEx or UPS, and that can be used to track its location and depvery status"，例如：

Can you give me the tracking number for my package?
I'll need to enter the tracking number on the website to see where my package is.

因此，"update the tracking number" 的意思就是 "更新快递单号"。

一些英文例句和中文翻译：

Can you update the tracking number for my order? (你能为我的订单更新快递单号吗？)
I need to update the tracking number on my account. (我需要在我的帐户上更新快递单号。)
The depvery company just sent me an email with an updated tracking number. (快递公司刚刚发给我一封邮件，里面有一个新的快递单号。)