laevorotation的音标：laevorotation的英式发音音标为：[li:vəʊrəʊ'teɪʃən]laevorotation的美式发音音标为：[livoʊroʊ'teɪʃən]...

The high laevorotation of L - cystine depends on a specially helical structure of its molecular.指出了L - 胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的....

n.反时钟旋转...