Moreover, the enzyme may be active in the synthesis of the cell wall skeleton, as L-alanine is one of the three amino acids constituting the repeating peptide subunit of the peptidoglycan layer.是什么意思_Moreover, the enzyme may be active in the synthesis of the cell wall skeleton, as L-alanine is one of the three amino acids constituting the repeating peptide subunit of the peptidoglycan layer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句