azoic
adjective /eɪˈzəʊɪk/
/eɪˈzəʊɪk/
(formal)- without any life or signs of life in the past
偶氮：过去没有任何生命或生命迹象 - Marine life was discovered at depths previously thought to be azoic.
海洋生物是在以前被认为是无氮的深处被发现的。
词源mid 19th cent.: from Greek azōos ‘without life’ + -ic. - Marine life was discovered at depths previously thought to be azoic.