selenocysteineWiktionary 原文英美构词拆解selenoseleno-前缀cysteinecysteine词干seleno-(astronomy) Relating to the Moon · (chemistry) Relating to selenium词源说明From seleno- + cysteine.释义名词noun1(biochemistry) A naturally-occurring amino acid, present in several enzymes, whose structure is that of cysteine but with the sulfur atom replaced by one of selenium同族词派生词 1selenocysteinyl