date back是正式的英语短语,意思是“回溯至”,而track back可以理解为“走回”,一般不用来表示回溯到。
date back
释义:追溯到;回溯至
例句:
1、The international collaboration found that A(H1N1) is made up of genes from flu viruses seen in birds, humans and pigs — and parts of its genetic make-up date back to the 1918 influenza pandemic.