例句與造句

1. It is only capable of growth on carbon dioxide and hydrogen as primary energy sources, unlike many other methanococci ( such as " Methanococcus maripalidus " ) which can also use formate as a primary energy source . a ferredoxin hydrogenase ( eha ), and a coenzyme F420 hydrogenase.
2. It's difficult to find methanococci in a sentence. 用methanococci造句挺難的