Dr. Sandra Black worked with Lipsman on this trial.

Sandra Black 博士与 Lipsman 一起参与了这项试验。

He wore a black working uniform with red armorial hawk crest at the breast.

他穿着一件黑色的工作服，胸前有红色的鹰徽。

In this mixed atmosphere of free and enslaved blacks working side by side, Minty met John Tubman, a free black man she married in 1844.

在这个自由和奴役的黑人并排工作的混合气氛中，Minty遇见了John Tubman，并于1844年嫁给了这位自由的黑人男子。

He often wrote about the everyday experiences of black working people. And he helped bring the movement of jazz and the sound of black speech into poetry.

他经常描写黑人劳动人民的日常经历。他帮助把爵士乐运动和黑人语言的声音带入诗歌。

Shirley Temple Black worked in that position for about a year, year and a half, at the end of President Ford's presidency.

在福特总统任期结束时，雪莉·邓波儿·布莱克 (Shirley Temple Black) 在该职位上工作了大约一年、一年半。