Meaning
To make industrious and diligent efforts; (耕耘: plowing and weeding)
Original
“中俄双方把握这美好的早春时节,为两国关系和世界和平与发展辛勤耕耘,必将收获新的成果,造福两国人民和各国人民。”
Source
On June 18, 2020 人民网 published an excerpt from Xi’s 2013 Moscow speech on China-Russia relations: 国家主席习近平在莫斯科国际关系学院的演讲(全文)