长江流域

Changjiang or Yangtze river basin

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

Yangtze River, or Chang Jiang

surname Jiang

river / CL:條|条[tiao2],道[dao4]

river / river flow / current

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

river basin / valley / drainage area

field / region / area / domain (taxonomy)