义项
to count backwards (from 10 down to 0)
to count backwards (from 10 down to 0); to count down; from the bottom (lines on a page); from the back (rows of seats)
verb
to count backwards (from 10 down to 0)
to count backwards (from 10 down to 0); to count down; from the bottom (lines on a page); from the back (rows of seats)