Last term, I took part in an outdoor activity for five days.

上个学期，我参加了一次为期五天的野外实践活动。

Do you normally check the weather forecast before doing an outdoor activity?

在参加户外活动之前你会查看天气预报吗？

Hence regular participation in an outdoor activity like running, trekking, hiking, sports, etc., could keep you fit physically as well as mentally.

多参加一些户外活动，比如说跑步，徒步旅行，登山等等，会让你在体力和精神上都更加健康。

Soccer has become the most popular outdoor activity among an increasing number of young people.

足球已经成为越来越多的年轻人最喜爱的户外运动方式。

We are only too aware of the positive mental effects and increased confidence associated with physical activity in an outdoor environment.

在户外环境中参加体力活动，不仅可以产生积极的心理效应，还能增强自信心，这一点我们再清楚不过。