名词
中文翻译：三环的
同义词：
['cyclic', 'cyclic', 'tricyclic']
例句：
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1.The molecule is made up of three rings, which are all the same size.
这个分子由三个相同的环组成。
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2.This plant has a unique ability to fix nitrogen in the soil, making it suitable for tricyclic crop rotation.
这种植物有独特的能力在土壤中固定氮，使其适合进行三环作物轮作。
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3. The researcher found that the bacteria could use tricyclic compounds as a source ofenergy.
研究人员发现，这些细菌可以使用三环化合物作为能源来源。