0 an application (= a computer program designed for a particular purpose) that you can use on the internet rather than having to download it -- 网页应用（程序），网络应用（程序）
If you make a desktop app, you have to get people to download and try it. With a web app, you simply get them to visit your site. 如果你开发的是一个桌面应用，需要吸引使用者下载使用。有了网页应用，你只需吸引人们访问你的网站即可。
The tool is a web app that lets you enter symbols and characters to make your post more interesting. 这个工具是一个网络应用程序，让你可以输入符号和字符，使你发的帖子更有趣。
If having amentities close to home is important to you, this web app can give you a score which you can use to rate an address.
I tried out AnalyzeWords, a web app that studies your recent tweets and deduces your “emotional style,” “social style” and “thinking style”.
With a web app there is nothing for customers to install – they just browse to a URL to use it.
It takes a bit longer to develop a web app than an equivalent desktop app.
