And,he was proud of being the first African-American to break the color barrier in a major opera house.
VOA: special.2010.03.07
956, over 300 runners break the 4 minute barrier.
956年,超过三百名跑手突破四分钟界限。
哈佛公开课 - 幸福课课程节选
应用推荐
模块上移
模块下移
不移动