基本解释升汞（等于mercuric chloride）同根派生 corrosive sublimate相关词英英字典柯林斯英英字典 &rarranother name for mercuric chloride corrosive sublimate剑桥字典corrosive sublimate柯林斯字典专业释义冶金工程技术升汞化学兽医升汞