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1.The puffy trails cool the upper atmosphere by reflecting sunlight away and warm the lower atmosphere by trapping outgoing heat.
膨大的凝结会把阳光反射出去,使上方的大气层冷却,又会阻挡下面散发上来的热,而使下方的大气层变得温暖。收藏指正
2.A visible trail of streaks of condensed water vapor or ice crystals sometimes forming in the wake of an aircraft.
凝结流一种由凝结的水蒸汽或冰晶组成的条带状可见迹线,有时形成飞机的收藏指正
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