沖積平原

alluvial plain

(of water) to dash against / to mix with water / to infuse / to rinse / to flush / to develop (a film) / to rise in the air / to clash / to collide with

to alluviate / alluviation / alluvial

to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing

surname Ping

flat / level / equal / to tie (make the same score) / to draw (score) / calm / peaceful / abbr. for 平聲|平声[ping2 sheng1]

field / plain / CL:個|个[ge4]

surname Yuan / (Japanese surname) Hara

former / original / primary / raw / level / cause / source