CROSSWORD puzzle
本文作者： 21ST
本期主题:天气现象 Across 2. small, tabular, columnar, or otherwise geometrically regular, white ice crystal 4. sudden, loud, booming noise following lightning, due to expansion of air heated by electrical discharge 7. arc of prismatic colors in sky, formed by reflection and refraction of sun’s rays through water vapor drops Down 1. thick mist or vapor suspended in lower atmosphere near ground 2. atmospheric disturbance marked by wind and/or precipitation 3. flash of light from discharge of atmospheric electricity between clouds or between clouds and Earth 5. moisture condensed at night on surfaces of cool objects 6. minute ice crystals that form on surfaces Answer: 1. fog 2. snowflake, storm 3. lightning 4. thunder 5. dew 6. frost 7. rainbow |  |
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