例句與造句

1. the eukaryotic initiation factor 5a ( eif-5a ) is one of the most abundant initiation factors in the eukaryote, and it is the only protein in nature that contains a hypusine residue
   真核起始因子5a(eif-5a)普遍存在于所有真核細(xì)胞內(nèi)，是目前發(fā)現(xiàn)唯一一個(gè)含有hypusine殘基的蛋白質(zhì)。
2. It's difficult to find factor 5a in a sentence. 用factor 5a造句挺難的