Changjiang or Mekong (5)

I believe the answer is:

river

'changjiang or mekong' is the definition.
(I know that Yangtze is a river)

This is the entire clue.

(Other definitions for river that I've seen before include "Type of watercourse" , "Current" , "course of 1d [ADVENTURE]" , "Large natural stream of water" , "Exe, Po" .)

I've seen this clue in the USA Today.

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