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A note determining the key of a tune, the tuning of an instrument, etc.
Mid 18th century; earliest use found in Laurence Sterne (1713–1768), writer and Church of England clergyman.
雅致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。