来自李艳红的问题
求一篇2分钟的英语命题演讲Wehaveonlyoneearth.时间为2分钟,
求一篇2分钟的英语命题演讲
Wehaveonlyoneearth.时间为2分钟,


求一篇2分钟的英语命题演讲Wehaveonlyoneearth.时间为2分钟,
求一篇2分钟的英语命题演讲
Wehaveonlyoneearth.时间为2分钟,
WehaveonlyoneearthTodaytheearthisdestroyedsoterriblyfromtheairtotheland.Inmostofcitiesinallovertheworld,peoplealwayshavetoliveinthepollutedair.Heavytrafficandfactori...