In groups, find out your classmates' favourite indoor and outdoor activities.

小组练习，找出你的同学最喜爱的室内和户外活动。

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In summer, large sliding glass doors can link the indoor and outdoor activities.

在夏季，人们可以通过大面积的移动玻璃门将室内与室外联系在一起。

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This can be a good warm up for demo classes, indoor and outdoor activities. The funniest part is hugging.

可以作为公开课、成果展示课、户外活动的热身，最好玩的是“抱团游戏”。

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About 100 volunteers are being sought for the study, half of which will be asked to take part in indoor activities and half outdoor exercise.

BBC: Exercise

Fun old-fashioned activities like boating, indoor and outdoor tennis, and fishing remain popular, Booth said.

FORBES: Tuxedo Park, Tuxedo Park, New York