His fear of dogs traces back to a childhood experience.

他对狗的恐惧可追溯到他在孩提时代的一次经历。

youdao

His fear of snakes traces back to an experience in his childhood.

他对蛇的惧怕溯自他孩童时的一次经历。

youdao

Ostracize is in fact a word that ultimately traces back to the animal kingdom.

其实，我们有必要把单词ostracize一直追根溯源到动物王国。

youdao

The argument I'm going to give traces back to Descartes, the great early modern philosopher.

我要提到的这个论证,可以追溯到笛卡尔,一位伟大的早期近代哲学家

耶鲁公开课 - 死亡课程节选

Google traces back to 1995, when Sergey Brin and Larry Page, whose fathers taught college math, met at Stanford.

FORBES: All Eyes on Google

Illicit trade's ancestor, smuggling, traces back to ancient times, and many a "thieves' market" survives in the world's commercial hubs.

NPR: Tracking the World's Black Market: 'Illicit'

But it traces back to an ancient line, and a famous Barbet once fought in Napoleon's infantry, say the breed's fanciers.

WSJ: Breeders of Rare Woolly Pooch