play-pen

n small portable enclosure with wooden bars or netting where a baby or small child can play 游戏围栏（供幼儿在其中玩耍的便携式围栏）.

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-back, play-by-play, play-off, 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, playmate, playoff, plaything,