前用冠词an，例如：

　　1.She also has an iPad and a smartphone.她还有一台平板电脑和一部智能手机。

　　2.The opposite of a wallet is a smartphone or an iPad.智能手机或iPad正在取代钱包。

　　3.&39;ll want an iPad just so you can wear this&34; is the slogan for one of the new lab coats designed with large pockets to accommodate tablet computers.“穿上它，你就会想要一部iPad”是其中一款新实验服的标语，这些新实验服设计有可以装平板电脑的大口袋。