<!doctype html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <title></title> <style> * { margin: 0; padding: 0; } .container { width: 400px; overflow: hidden; margin-right: auto; margin-left: auto; background-color: #ff0; } .sidebar { float: left; width: 200px; height: 200px; background-color: #f00; } .main { overflow: hidden; _zoom: 1; word-wrap: break-word; word-break: normal; } /* 或overflow:auto; */ </style> </head> <body> <div class="container"> <div class="sidebar"></div> <div class="main">如果丘处机没有路过牛家村，中国将是最发达国家</div> </div> </body> </html>