anan.言论集；语录；轶事pref.向上；向后；再abbr.美国报业协会（=American Newspaper Association ）anaxone[医] 无轴索细胞

1. Rather than releasing carbon dioxide, anaerobic decomposition releases methane or hydrogen sulfide, and the stream or lake turns dark and malodorous.
   在这一过程中不是释放二氧化碳，厌气分解释放甲烷或者硫化氢，河流和湖泊就会变黑并发生恶臭。
2. The anaerobic breakdown of glucose is called glycolysis.
   厌氧分解葡萄糖称为酵解。