米歇尔·奥巴马在欧柏林学院毕业典礼上的演讲 Hi! How are you all doing? Are you sure?Well, let me just tell you, it is beyond a pleasure and an honor to be here with all of you today. I want to start by thanking President Krislov for that very k 英语演讲 2020-09-09 hisen
