WONDERWIND - pleasant type of ridge lift that provides unexpectedly good altitude gains. Created when warm air is released from a valley as upper air cools.
Mother stood on the ridge, bathed in spring sunshine, warm to weave a sweater, and grandmother were immersed in the pick of life is shepherd's purse, to be filled basket relented.
母亲立于田埂上，沐浴着春天的阳光，温暖地织着毛衣，外婆则沉浸在挑荠菜的时光里，待满了菜篮才罢手。
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The warm high ridge at the middle and low troposphere and the lower pressure of the ground all provide the good circulation background of this heavy fog.