lD号是什么意思？

ID号，身份标识号、账号、唯一编码、专属号码、工业设计、国家简称、法律词汇、通用账户、译码器、软件公司等，各类专有词汇缩写。

ID，读音为：英 [ˌaɪ ˈdi:]   美 [ˌaɪ'di:]  

n.身份证(identification的缩写);（电台或电视台暂时中断广播以宣布台名而出现的）间歇，停顿 (identification 的缩写)。

v.识别，认出;给…发身份证。

例句：

I had no ID on me so I couldn't prove I was the owner of the car

我身上没带身份证件，也就无法证实我就是车主。

Peter took out his wallet and showed his ID to the man

彼得掏出钱包向那人出示他的身份证件。

Registrars checked the ID cards of prospective voters.

登记员核对未来投票人的身份证。

You have to have proof of residence in the state of Texas, such as a Texas ID card

你必须有在得克萨斯州的居住证明，比如得克萨斯身份证。

Please show me your ID card. it's just a formality.

请出示证件，这是例行公事。