anan.言论集；语录；轶事pref.向上；向后；再abbr.美国报业协会（=American Newspaper Association ）anaudian.听觉缺失

1. The cells were probably anaerobic heterotrophs, with autotrophs arising much later.
   最早出现的细胞可能是厌氧异氧生物，自养生物很久后出现。
2. A study of anaerobic biotreatment of chloromycetin wastewater was carried out.
   对氯霉素合成废水的厌氧生物处理作了研究。