幼兒快樂學習縱橫碼 潮州綿德幼兒園 (陳仰娟老師)
spaceplay / pause
qunload | stop
ffullscreen
shift + ←→slower / faster
↑↓volume
mmute
←→seek
. seek to previous
12… 6 seek to 10%, 20% … 60%