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单词 blue light
释义

blue light

/ˌbluː ˈlʌɪt/
noun
1 Nautical. A pyrotechnic preparation which burns with a blue flame and is used to send signals, especially at night-time. Now historical.
2 US informal (chiefly derogatory ). A New England federalist who opposed the Anglo-American war of 1812–15; (later more generally) a federalist, a person perceived as disloyal. Frequently attributive Now historical.

Origin

Mid 18th century; earliest use found in Richard Cambridge (1717–1802), poet and essayist. From blue + light.

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更新时间:2024/12/23 16:12:59