biogenic nitrogen生物: living things; living beings ...成因: cause of formation; contribu ...氮: nitrogen非生物成因: abiogenesis; abiogeny; abiotic origin生物成因: biogenesis; biogenic origin下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:生物成因氮，即可在微信中查询翻译
