读秒

读秒	dú miǎo	to count down the remaining seconds (e.g. in games, rocket launches, New Year's Eve) / (of a boxing referee) to administer the count following a knock-down, starting from "one"
读	dòu	comma / phrase marked by pause
读	dú	to read out; to read aloud / to read / to attend (school); to study (a subject in school) / to pronounce
秒	miǎo	second (unit of time) / arc second (angular measurement unit) / (coll.) instantly