Addressing students from several Washington area schools as well as dignitaries such as African-American activist and social educator Dorothy Height, the Obamas referred to the progress women in America have made over the decades in securing their rights.

VOA: standard.2010.03.08

This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

耶鲁公开课 - 生物医学工程探索课程节选