Bohr and Einstein were considered the top two physicists in the world through the first part of the 20th century.

波尔和爱因斯塔被认为,是世界上顶尖的两个物理学家,在整个20世纪前页。

麻省理工公开课 - 固态化学导论课程节选

Aristotle lived at the virtual cusp of the world of the autonomous city-state of the Greek polis.

亚里士多德住在可说是希腊城邦世界中,最顶尖的自治城市。

耶鲁公开课 - 政治哲学导论课程节选