lon·ge·val英lɔn'dʒi:vəl美lɔn'dʒi:vəlBNC¹⁷³⁹⁹⁵⁺² 基本例句 adj.长命的¹⁰⁰ Experiment shows that longeval agent treatment can increase reductive sugar and protein content, inhibit protein degradation, reduce total amino acid content of the cutHaixian flower. 实验结果表明,保鲜剂处理可提高海仙花切花内还原糖和蛋白质的含量,阻止蛋白质的降解,降低氨基酸的总含量。 cnki