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A test of the clotting ability of blood, used e.g. in the monitoring of patients receiving oral anticoagulants.
1920s; earliest use found in Archives of Surgery.
礼仪网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。