in the playground翻译中文到底是“在操场上”还是“在操场里”呀?

in the playground 还是on the playground? on the playground in the playground how does candy help in the playground 句子翻译 in the playground in the hall in the library 这些怎么翻译 we play in the playground.对in the playground提问 in the playground 英文意思 请问是on the playground还是in the playground in the playground 和on the playground 有什么区别? 这句话怎么翻译?The film was in the playground a moment ago. in the playground 还是on the playgrand they play the basketball in the playground. in the playground翻译中文到底是“在操场上”还是“在操场里”呀? in the middle of the school is a big playground（中of的用法） Look!Some boys ()(run)in the playground. We often____(Play)in the playground. in the playground 英文儿歌歌词 急 They would like dancing in the playground. There's a ( )(children) in the playground.