秒回

秒回	miǎo huí	(neologism) (slang) to respond to a message within seconds
秒	miǎo	second (unit of time) / arc second (angular measurement unit) / (coll.) instantly
回	huí	to circle / to go back / to turn around / to answer / to return / to revolve / Hui ethnic group (Chinese Muslims) / time / classifier for acts of a play / section or chapter (of a classic book)
回	huí	to curve / to return / to revolve
回	huí	variant of 回