求翻译：学校计划在3月10日星期六这一天在公园组织一次环保活动。为了绿化环境，培养学生环境保护意思，要学生上午九点在学校门口集合，上午植树 下午做卫生 自带午餐。是什么意思？

School program on Saturday, March 10 to organize a day in the park in environmental protection activities. In order to green the environment, environmental protection means students, students to nine o'clock in the school entrance, morning afternoon planting native health do lunch.

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The school plan Saturday this day organizes an environmental protection activity in March 10 in the park.In order to afforest the environment, raises the student environmental protection meaning, wants the student in the morning nine in the school entrance set, plants trees the afternoon to make the

School program on Saturday, March 10 the day organizing a environmental protection activities in the Park. To green the environment, develop students ' environmental protection means, to students at nine o'clock in the morning at the school gate, planting trees in the morning afternoon doing health

School program on Saturday, March 10 to organize a day in the park in environmental protection activities. In order to green the environment, environmental protection means students, students to nine o'clock in the school entrance, morning afternoon planting native health do lunch.