溯源

sùyuán

trace (back) to the source

* * *

trace to the source

相关词组: 追本溯源

* * *

trace to the source

* * *

sù yuán

v. look for the roots, investigate the reasons

* * *

su4 yuan2

to investigate the origin of sth, to trace a river upstream back to its source

* * *

溯源

sù yuán

trace to the source:

追本溯源 track down the origin; trace to the source fs

溯源堆积 retrogressive accumulation;

溯源侵蚀 {地} headward erosion;

溯源系统 traceability system

* * *

溯源|溯源 [sù yuán] ► to investigate the origin of sth ► to trace a river upstream back to its source