a cloud of中文什么意思

一大群,一大片

• cloud:    n. 1.云。 2.云状尘埃、烟(等 ...
• in cloud:    在云中
• on a cloud:    兴奋得飘飘然

例句与用法

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1. The horses' hooves raised a cloud of dust .
   马蹄扬起了一片尘土。
2. A car sped past , raising a cloud of dust .
   汽车飞驰而过，卷起一阵尘土。
3. A cloud of suspicion still hung over the white house .
   白宫上空仍笼罩着一团疑云。
4. At first it went up slowly in a cloud of orange exhaust and white vapor .
   它首先在橙黄的排气云和白色的雾气中缓缓上升。
5. As a result of the coupling, the single-particle states are clothed in a cloud of quanta .
   由于耦合，单粒子态被量子云覆盖起来。