An obligate anaerobe can survive only in the absence of oxygen.专性厌氧生物只能在无氧条件下生存.Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.绵羊无浆体病是绵羊和山羊红细胞内专性寄生的由节肢动物传播的立克氏体疾病.Paul Ehrlich sees...
The nature of the nutritional requirements for obligate parasites in nature is unknown.人们还不知道自然界中专性寄生菌的营养要求的本质.All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligat...
I thought I'd seen a ghost — it really freaked me out.我当时以为见到了鬼─我大惊失色.It sort of frightens me. I guess I am kind of freaked out by it.它让我有点害怕。我想我可能被它弄得心里有些发毛。I saw five cop cars pull into the driveway. And I literal...
So stiff is commercial competition that tunnel - diggers complain that their work is no longer profitable.业务上的竞争过于激烈,隧道挖掘工们抱怨他们的工作已不再有利可图.There were discussions about hiving off profitable BOAC routes to a private airlin...