| 单词 | secondary bow or rainbow |
| 释义 | > as lemmassecondary bow or rainbow g. secondary bow or rainbow: a rainbow formed by rays twice internally reflected by the rain-drops; usually, an outer and fainter bow parallel with the primary bow. ΘΚΠ the world > the earth > weather and the atmosphere > weather > rainbow > [noun] > secondary mock-rainbow1647 secondary bow or rainbow1793 weather-heada1825 1793 Sturges in Philos. Trans. (Royal Soc.) 83 1 In this shower two primary rainbows appeared,..with a secondary bow to each. 1859 S. Parkinson Treat. Optics i. xi. 228 The Secondary Rainbow. The space above the primary rainbow..seems darker than the rest; beyond this space appears a broader but fainter rainbow the colours of which are in reverse order to those in the primary. 1883 R. H. Scott Elem. Meteorol. 200 The secondary bow, presenting the prismatic colours in the reverse order to that just described. < as lemmas |
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