having toothlike projections that are themselves toothed
例句与用法
1.
Dithiocarbamate [ s2cnr2 ( dtc ) ] and it ' s derivates were applied in chemistry 、 medical 、 petrochemical and other fields , it can coordinated with all kinds of transition metals , the anion of bidentate ligand also bridges two transition metals 摘要氨荒酸盐[ s2cnr2 ( dtc ) ]及其衍生物早已广泛应用于化学、医学、石油化工等领域，它与所有的过渡金属都可以进行配位，形成螯合物，双齿的阴离子也可以作为桥链两个过渡金属的配体。
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