倒數 [ㄉㄠˋ ㄕㄨˋ; dao4 shu4] inverse number reciprocal (math.)
倒數 [ㄉㄠˋ ㄕㄨˇ; dao4 shu3] to count backwards (from 10 down to 0) to count down from the bottom (lines on a page) from the back (rows of seats) ◄ ►