We will have an outdoor activity this weekend. （我们这个周末将有一次户外活动。）

The school organizes various activities to enrich students' lives. （学校组织各种各样的活动来丰富学生的生活。）

Physical activity is good for your health. （体育活动对你的健康有好处。）

They are planning a charity activity to help the poor. （他们正在策划一场慈善活动来帮助穷人。）

Our class participated in a volunteer activity last month. （我们班上个月参加了一次志愿者活动。）

The activity attracted a large number of people. （这项活动吸引了很多人。）

What kind of activity do you want to do during the holiday? （你假期想做什么样的活动？） The cultural activity showcases the local traditions. （这次文化活动展示了当地的传统。）

We need to prepare well for the upcoming activity. （我们需要为即将到来的活动做好充分准备。）

Team-building activities can improve the cohesion of the group. （团队建设活动可以提高团队的凝聚力。）

The activity was held in the city center. （活动在市中心举行。）

Many students are interested in extracurricular activities. （许多学生对课外活动感兴趣。）

The science activity allows children to explore the mysteries of nature. （这次科学活动让孩子们探索自然的奥秘。）

They canceled the activity due to bad weather. （由于天气不好，他们取消了活动。）

The marketing activity successfully promoted the new product. （这次营销活动成功地推广了新产品。）

I took part in an art activity and learned a lot. （我参加了一次艺术活动，学到了很多。）

The activity aims to raise awareness about environmental protection. （这项活动旨在提高人们的环保意识。）

Parents should encourage their children to participate in social activities. （家长应该鼓励孩子参加社交活动。）

The annual activity has become a highlight of the community. （一年一度的活动已经成为社区的一大亮点。）

We had a great time at the activity last night. （我们昨晚在活动中玩得很开心。）