biologic fixation生物: living things; living beings ...固定: fixed; regular作用: act on; affect生物固定: biological fixation固定作用: fixation; fixed action; fixed adtion; immobilization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:生物固定作用,即可在微信中查询翻译