pop-up ad

[ˈpɔpˌʌp æd]
n. 登陆某网页自动弹出的广告。当程序被象单击鼠标或滚动鼠标这样的行为引发时; 在视觉界面前面就会显示一个包含某样产品或服务的信息的窗口。; 自动弹出式广告; A pop-up ad is an ad that "pops up" in its own window when you go to a page. It obscures the Web page that you are trying to rea