这是一个非常棒的生物循环，它很棒，它给周边人们的生活带来正面影响。
It's a very good circle-it's a good, positive thing for this neighborhood.
循环dna是近些年发现的生物标志物。
生物质是光能循环转化的载体。
The biomass is a carrier for the circulation and transformation for light energy.
退药品种主要是抗微生物药物、循环系统用药及中成药。
Antibacterials, cardiovascular drugs, and Chinese patent medicine were the main kind of drug repercussion.
生物课上，学了生物系统的物质循环。
In the biological class, has studied the living system material circulation.
生物课上，学了生物系统的物质循环。
In the biological class, has studied the living system material circulation.
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