🔍 Tìm kiếm từ vựng
upstream
Adverb
ngược dòng, chống lại dòng chảy
against the current of a river or stream
"The village was located upstream from the industrial plant , ensuring clean water for its residents ."
upstream
Adjective
ngược dòng, thượng nguồn
situated or moving in the direction opposite to the flow of a stream or current
"The upstream exploration led to the discovery of a hidden waterfall ."