dào​guàn

backflow

倒灌 dào​guàn
backflow verb
to flow backwards or experience an influx of water into a river or onto land due to tide, flood, or wind
backup verb
to flow back or overflow through a drainage system or sewage pipes

Frequency

Movie subtitles
0.090 per million appears in 0% of films
Written text
0.430 per million

Sources

Definitions
CC-CEDICT