回扫

回扫	huí sǎo	see 回描
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
扫	sǎo	to sweep (with a brush or broom) / to sweep away; to wipe out; to get rid of / to sweep (one's eyes etc) over; to scan
扫	sào	(bound form) a (large) broom