after; then (afterwards); after that; afterwards[cedict]
往
wǎngㄨㄤˇ
to go (in a direction); to; towards; (of a train) bound for; past; previous[cedict]
下游
xià yóuㄒㄧㄚˋ ㄧㄡˊ
lower reaches; backward position[cedict]
走
zǒuㄗㄡˇ
to walk; to go; to run; to move (of vehicle); to visit; to leave; to go away; to die (euph.); from; through; away (in compound verbs, such as 撤走); to change (shape, form, meaning)[cedict]