in the playground翻译中文到底是“在操场上”还是“在操场里”呀?
问题描述：
in the playground翻译中文到底是“在操场上”还是“在操场里”呀?
答
in the playground 在操场上
举例：
Children are running happily in the playground.
孩子们快乐地在操场上奔跑着