英语词汇“roof-spotting”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	roof-spotting
释义	Definition of roof-spotting in English: roof-spotting noun Observation from the top of a building to give warning of hostile aircraft. Origin 1940s; earliest use found in The Times. Definition of roof-spotting in US English: roof-spotting noun Observation from the top of a building to give warning of hostile aircraft. Origin 1940s; earliest use found in The Times.
随便看	spectro- spectrochemistry spectrogram spectrograms spectrograph spectrographic spectrographic spectrographical spectrographically spectrographically spectrography spectrography spectroheliograph spectroheliography spectrohelioscope spectrolite spectrometer spectrometric spectrometric spectrometries spectrometry spectrometry spectrophotometer spectrophotometric spectrophotometric

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Definition of roof-spotting in English: