cottony

基本解释

For years Microsoft's Windows logo often appeared against a blue sky with cottony clouds.
多年以来，微软Windows都是以蓝天白云为标志的。
PDFs are fine, but sometimes it is delicious to have the same words printed on bright white cottony paper, bound in leather.
PDF文件很好，但有时将同样的内容印在雪白的纸上、用皮面装订起来就更美妙了。
They're often dense, dark, and rainy (or snowy) though they can also be cottony white clumps interspersed with blue sky. Meteorologists refer to them as stratus clouds.
它们常常阴沉厚重，雪雨欲来，晴朗时，却也能像一串串白棉花散缀在蓝天上，气象学家把它们称作层云。