出发去学校后面的小山植树的翻译：Off to the hill behind the school plant trees 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Off to the hills behind the school tree planting

Off to the hill behind the school plant trees

Embarks behind the school hill tree-planting

Departure to the small hill behind school tree planting

Off to the hill behind the school plant trees