Today, the planet is a tipping point, the environment of cities is becoming worse and worse. Efforts to improve the environment are growing, it has a long way to go especially in mordern cities. The Shanghai Expo is teeming with unique designing ideas of Shanghai Expo.

现如今，地球正处于一个转折点，城市的环境正变得越来越糟lVqvK!.eNA#|]1Q33。人们正在逐渐努力以改善环境，但是在现代城市，则有很长的路要走55,KX-ACy)-8n+datj。上海世博会设计理念独具匠心而且热闹非凡AovbP7+u2#OgmhD。

词语解释：

1. teeming a. 拥挤的;热闹的

2. unique a. 独一无二的