/ˈpleɪˌɡraʊnd/ n.1.(for children)操场；儿童游乐场
The teacher called the children in from the playground.老师把孩子们从操场叫了回来。
The children spent a happy hour at the playground on the swings and climbing frame.孩子们在游乐场的秋千和攀登架上开心地玩了一个小时。
2.(popular holiday resort)度假胜地
St Tropez, playground of the rich and famous圣特罗佩斯——有钱人和名人的度假胜地
3.(sphere of activity)活动范围
'What do you know?' he said, as if I was new on the playground.“你知道什么？”他说道, 好像我是这行的新手似的。