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нитробактерия 名词强调
Gruzovik, 细菌学 nitrobacterium (any of the bacteria in the soil that take part in the nitrogen cycle; they oxidize ammonium compounds into nitrites or oxidize nitrites into nitrates)
电子产品 nitrobacteria
нитробактерии 名词
显微镜 nitrobacter
生态 nitrobacteria