play-back

n [C, U] (device for) playing back recorded sound or pictures, eg on a video recorder 播放（录音或录像的装置）（如录像机的）.

play a joke on sb., play a part, play a part in, play along (with sb/sth), play at sth/being sth, play into sb.'s hands, play on, play out, play sb in, out, etc, play sth back (to sb), play sth down, play sth out, play the devil with, play up to, play with, play with oneself, play with player, play with sb/sth, play-act, play-acting, play-by-play, play-off, play-pen, play-room, playbill, playboy, played out, player, player-piano, playfellow (also `playmate), playful, playfully, playfulness, playgoer, playground, playgroup (also `playschool), playhouse, playing-card, playing-field, playlet,