Word: 追溯 (zhuīsù) 追溯 dictionary entry zhuīsù lit. to go upstream; to trace sth back to; to date from Full dictionary entry for 追溯 Example sentences using 追溯 2 sentences, showing page 1 of 1. 他们划船追溯到河的源头。 Tāmen huáchuán zhuīsù dào hé de yuántóu. They rowed upstream to the source of the river. 警察追溯这笔钱的来源。 Jǐngchá zhuīsù zhè bǐ qián de láiyuán. The police are tracing the source of this money.