利奥波德·塞达尔·桑戈尔是非洲著名的诗人和政治家。

Léopold Sédar ___Senghor was a renowned African poet and statesman.

她正在研究Senghor家族在非洲文学发展中的影响。

She is studying the influence of the ___Senghor family in the development of African literature.