“乙叉”的拼音为：yǐ chā...

证实1-羟基乙叉 -1,1-二膦酸配体 ( hedp ) 中的季碳为手性碳原子.Moreover , there is a chiral quaternary carbon in the 1 - hydroxyethylidenediphosphonic ( hedp ) ligand....

“乙叉”的英语可以翻译为：ethidene，ethylidene ...