| 单词 | blue flash |
| 释义 | > as lemmasblue flash blue flash n. a flash of blue light sometimes seen briefly just above the sun as it is about to disappear below the horizon at sunset, or as it first appears at sunrise; cf. green flash n. at green adj. and n.1 Compounds 1d(a). ΚΠ 1889 Eng. Mechanic 18 Oct. 156/1 There can be no doubt that Mr. Ranyard does suggest a—or the—vera causa for the phenomenon of the final blue flash incident on sunsets. 1921 Pop. Astron. 29 262 The theory that the green or blue flash is due to sunlight shining through the crests of waves on the distant horizon..is a natural one and has apparently suggested itself to several quite independently. 2004 C. Dewdney Acquainted with Night ii. 26 As it turns out, with the right conditions, a blue flash, much rarer than the green flash, will very occasionally follow the green one. < as lemmas |
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