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The state or characteristic of being wide awake.
Mid 19th century; earliest use found in ‘Charles Selby’ (c1802–1863), actor and playwright (real name George Wilson).
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。