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The prosecution said she put mercury amalgam - a substance used in dental fillings - into a cup of coffee she made for Ms Knowles, but the defendant claimed she was set up by her co-workers.
BBC: 'Mercury coffee' case accused to face retrial
英汉双解词典包含3185865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。