| 单词 | layer cloud |
| 释义 | > as lemmaslayer cloud layer cloud n. Meteorology a sheet-like cloud, having little vertical development but pronounced horizontal development. ΘΚΠ the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > thin layer or sheet fall cloud1816 sheet1897 layer cloud1951 1920 G. A. Clarke Clouds iv. 73 The beautifully waved structure seen in nearly all of the layer-type of clouds from cirrus downward to stratocumulus is caused by the propagation upwards or downwards of the wave-motion that is produced by the flowing of air-currents of different velocities and directions over each other.] 1951 Rep. Progress Physics XIV. 192 Thick layer clouds often found over the oceans. 1956 Nature 18 Feb. 321/1 The great layer-cloud systems which are associated with cyclones and fronts. 1963 G. M. B. Dobson Exploring Atmosphere iv. 78 The persistence of thick layer-clouds over a city in winter gives rise to a very dark, gloomy day. < as lemmas |
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