It's carrying a 2,900-kilogram shipment which includes billions of microbes and crushed asteroid samples for a biomining study.
飞船携带了2900公斤货物，其中包括数十亿微生物和粉碎的小行星样本，用于生物采矿研究。
英语百科
Biomining
Biomining is an approach to the extraction of desired minerals from ores. Microorganisms are used to leach out the minerals, rather than the traditional methods of extreme heat or toxic chemicals, which have a deleterious effect on the environment.