axenic
axenic[eɪˈzɛnɪk]adjective- (chiefly Botany)of, relating to, or denoting a culture that is free from living organisms other than the species required
(主植)无菌的,无污染的,无异种生物混杂的
派生axenicallyadverb语源- 1940s: from a- 'not' + xenikos 'alien, strange' + -ic
考试词汇表