cloud/klaʊd/

n.

➊ a grey or white mass in the sky, made of very small drops of water

➋ a large mass of sth in the air

n.

➊ [C, U] 云；云朵：The sun disappeared behind heavy clouds. 太阳消失在厚厚的云层中。

◇fly through cloud飞过云层

➋ [C] 云状物：[cloud of sth] a cloud of dust/smoke 一团灰尘/烟

音组-loud/laʊd/

aloud; cloud; loud; proud

谚语Every cloud has a silver lining. 乌云的背面都是银色的。（意指黑暗的反面就是光明）