It was raining this morning. So I had to stay indoor.

今早雨下个不停﹐我只好留在屋里。

youdao

People stay indoor long time and rely on air conditioning environment more than before.

人们在室内的长期停留，越来越依赖于空调环境。

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A good indoor air quality and optimal conditions of asepsis in surgical areas are prerequisites for comfort, health and reduced health risks during the hospital stay.

在住院环境中较好的空气质量以及在外科区域内良好的无菌条件是确保在医院里舒适、健康的前提。

youdao

Because of the weather, Buchholz threw in an indoor cage between innings to stay loose.

WSJ: Red Sox chill Yanks, 2-0 for first time since 1999

For Ms. Behnke, a social worker, it was in part because Al kept trying to bust out of an indoor wire enclosure he was forced to stay in during the winter months when coldblooded sulcatas adapted for a sunny, warm climate can't be left outdoors.

WSJ: Colin Kaepernick, 49ers Super Bowl Quarterback, Has a Slow Sidekick -- Sammy the Tortoise

And, most immediate to personal comfort, should the average indoor temperature of British houses continue to rise, stay roughly the same at 17.5C (63.5F), or fall?

BBC: How warm is your home?