It may be synthesized directly from ammonia, carbon dioxide, and a donated methyl group; derived from serine; or derived from glycerate 3-phosphate by TRANSAMINATION of glyoxylate.是什么意思_It may be synthesized directly from ammonia, carbon dioxide, and a donated methyl group; derived from serine; or derived from glycerate 3-phosphate by TRANSAMINATION of glyoxylate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句