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a piece of software that you can download to a device such as a smartphone or tablet, for example to look up information or to play a game (下载到智能手机或平板电脑等设备上使用的)应用软件 You first need to install the app on your device. 您首先需要在设备上安装该应用程序。 to download/launch an app 下载/启动应用程序 to build/develop an app 构建/开发应用程序 Have you got the dictionary app on your phone? 你的手机上有这个词典的应用软件吗? Gaming today is all about mobile app downloads. 如今的游戏都是关于移动应用下载的。 app developers 应用开发者 The app is available on/in the app store. 该应用可在应用商店中获得。
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a program designed to do a particular job; a piece of software 应用程序;应用软件 a database app 数据库应用程序