这位土壤科学家还知道了正是因为细菌土壤才有生命或者肥沃和支持繁茂的植物生长—细菌吃岩石同时生产土壤然后把矿物质传递给植物。
The soil scientist also knew soil is alive or fertile and supports lush plant growth because of bacteria - the bacteria eat rocks to produce soil and then pass the minerals along to plants.
植物是所有生命的基础，只有植物能把土壤中的矿物质跟大气中的气体结合，制造出食物。
Plants are the basis of all life, for only they can combine minerals in the ground with gases from the air and produce something worth eating.
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