The Duchess should be addressed as Your Grace.女公爵应该被称作“夫人”。
I heard him address her as darling.我听到他叫她亲爱的。
英汉双解词典包含368430条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。