app
US /æp/
UK /æp/

1.
应用, 应用程序
a self-contained program or piece of software designed to fulfill a particular purpose; an application, especially as downloaded by a user to a mobile device.
:
•
I downloaded a new photo editing app.
我下载了一个新的照片编辑应用。
•
There's an app for everything these days.
现在什么都有应用。