| 单词 | 环核 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔cyclic GMP〕A cyclic nucleotide of guanosine thought to act at the cellular level as a regulator of various metabolic processes, possibly as an antagonist to cyclic AMP.环磷鸟苷：鸟苷的循环核苷酸，认为在细胞膜上作为各种新陈代谢过程的调节剂，也可作为环腺苷酸的一种抵抗物美国传统〔nitrobacterium〕Any of various soil bacteria that take part in the nitrogen cycle, oxidizing ammonium compounds into nitrites or nitrites into nitrates.硝化细菌：一种参与氮环核，将氨的化合物氧化成亚硝酸盐或将亚硝酸盐氧化成硝酸盐的土壤细菌美国传统 |
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