There was a sandpit, a seesaw and a swing in the playground.游乐场上有一处沙坑、一块跷跷板和一个秋千架。Annie improvised a sandpit for the children.安妮临时为孩子们造了个沙池。These children are just as comfortable tapping away on their tablets as they are digging in the sandpit.这些孩子玩起平板电脑来跟挖沙坑一样熟练。