奥巴马总统夫妇在2015年白宫"儿童国宴"上的讲话 MRS. OBAMA: I see tears. I do. Wow, Abby, amazing. We're so proud of you. Man, good stuff! Very good stuff. You guys, welcome to the White House. Let's say that again – welcome to the White Ho 英语演讲 2020-09-08 hisen
