It was a lovely afternoon with a blue sky and a few fleecy white clouds.

那是个美丽的下午，蓝蓝的天空中飘着几朵轻软的白云。

《柯林斯英汉双解大词典》

Every now and then fleecy clouds floated across the sky.

天上时而飘过几片薄薄的白云。

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I skipped to the window, stunned to see that there was hardly a cloud in the sky, and those there were just fleecy little white puffs that couldn't possibly be carrying any rain.

我跳到窗前，惊奇地发现天空里甚至没有半点云影，只有几片小小的羊毛般纯白蓬松的云彩，它们根本不可能带来任何雨水。

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