Software applications, especially for smartphones or tablets.

• Plural of app.

软件应用，尤指智能手机或平板上的程序。

• APP 的复数。

Informal. Appetizers served before the main course.

非正式。开胃菜，主菜之前供应。

Informal. Application forms or submissions, such as college or job applications.

非正式。申请表或材料，例如大学或工作的申请。