名词
中文翻译：根瘤菌
同义词：
['rhizobium', 'nodule root']
例句：
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1.The plant's ability to fix nitrogen from the air is due to the presence of clubroots.
这种植物能够从空气中固定氮气的能力归功于根瘤菌的存在。
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2.In agriculture, clubroots are used to improve soil fertility.
在农业中，根瘤菌被用来提高土壤肥力。
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3. The farmer was surprised to discover that his cow had developed clubroots.
这位农民惊讶地发现他的牛患有根瘤菌。