有关袁隆平英文演讲稿A-Speech-About-Yuan-Longping

Ａ Speｅch Aboｕt Yuan　Longpinｇ Helｌo，eveｒybody.(Tｏday i ａm gｏing　to　tａlk abｏｕt thｅ　greａｔesｔ　sｃｉｅntist