nonesuch
n. 无比的事物,绝品,无双的人
adj. 无与匹敌的,无与伦比的
1. model of excellence or perfection of a kind; one having no equal
It is a suspension bridge that is the nonesuch of beauty and utility.
这是一座成为美观和实用典范的吊桥。
The Nonesuch could be considered the oldest actively expelling oil source bed.
农萨奇页岩可能是最古老的还在排油的烃源岩.