用介词in，例如：

1. My mother found some relief from the oppressive conditions of Emma's house in the outdoors.到了户外，摆脱艾玛家里令人窒息的气氛，母亲才感到一丝轻松。

2.Popular bachelor party destinations vary from Las Vegas to local bars to camping in the outdoors.从洛杉矶到地方小酒吧，有名的单身聚会酒吧各种各样。

3. It's an especially tasty drink to have when you're hanging out in the outdoors or participating in winter sports like skating and skiing.出门在外，参加滑雪、滑冰等冬季运动时，热可可最是可口。

在英语里，这个单词用介词at