The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.麦草 碱木素在碱催化下经脱甲基改性可提高其反应活性.The wheat sprouts grew perceptibly after the rain.下了一场雨,麦苗立刻见长.Heat - denatured wheat endosperm p...
An elderly woman, arms crossed, sang the descant.一位双臂交叉的老妇人演唱了高音部。You need not descant upon my shortcomings.你不必絮说我的缺点.She is catching cold today, so she can't descant on the tune.她今天感冒了, 不能唱高声卸....
He pushed his bike up a steep hill.他推着自行车上斜坡。Such a steep descent in an airplane would have blacked out a fledging.飞机作这样的急速下降本来是会使缺乏飞行经验的人眼前发黑的.He climbed the steep cliff by getting footholds in cracks in the rock.他在岩石缝中...