John is the quintessence of good manners.

约翰是礼貌典范。

Argand's mobilism thought as to the dynamical evolution process of the tectonics in On Major Tectonic Forms of China. Then, he absorbed the quintessence of A.

在《中国主要地质构造单位》中,他运用阿尔论思想,阐述了中国大地构造力演化过程。