當(dāng)前位置：首頁(yè)
> 五分鐘演講ppt模板
五分鐘演講ppt模板(ppt五分鐘演講主題有哪些?)
關(guān)于2010上海世博會(huì)的英語(yǔ)演講稿 The footsteps of the 2010 World Expo is getting closer and closer to us， civilized and harmonious call is still ringing in my ears S...