take an active part in activities such as forestation sand prevention and control closing mountai to facilitate forestation and returning reclaimed land and forests and gra land
积极参加造林防沙治沙、封山造林、退耕还林还草等活动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐
模块上移
模块下移
不移动