“轻软的”的英语？

把黃油和糖粉放在一起搅成轻软的糊状.Cream the butter and icing sugar together until light and fluffy.那是个愉快的下午，蓝蓝的天空中飘着几朵羊毛般轻软的白云。It was a lovely afternoon with a blue sky and a few fleecy white clouds.我听到一声叹息, 然后是轻软的咯咯的笑声.I heard a sigh, ...