在参加户外活动之前你会查看天气预报吗？
Do you normally check the weather forecast before doing an outdoor activity?
在参加户外活动的一部分，我们能呼吸大自然的新鲜空气。
In taking part in out-door activities we can breathe the fresh air in nature.
我也参加了很多户外活动，有很多机会锻炼我的英语。
I participated in many activities and had many chances to practice my English.
我也参加了很多户外活动，有很多机会锻炼我的英语。
I participated in many activities and had many chances to practice my English.
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