求翻译：学生会和团委共同决定组织义务植树活动。凡在植树节自愿参加植树活动的同学请尽快向各班班长报名。特此通知。是什么意思？

The Students' Union and the Communist Youth League jointly decided to organize voluntary tree planting activity. Where voluntary participation in Arbor Day tree planting activities of the students as soon as possible to each class monitor enrollment. Notice is hereby given.

Students will work together and had decided to organize voluntary tree planting activities. Where the tree planting festival volunteer to participate in tree planting activities to the students as soon as possible please register for the workshop leader. Notice is hereby given.

The student association and Youth Corps Committee decide the organization duty tree-planting activity together.Every please as soon as possible register in Arbor Day voluntary participation tree-planting activity schoolmate to various Leader Ban.Informs specially.

Students ' Union and the League decided to organize voluntary tree planting activities together. Where Arbor Day volunteer tree planting activities of students as soon as possible to the monitor application. Notice is hereby given.

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