As he turned back the clock, the dust disk collapsed into a dense, bright ring.
模型显示，随着时光倒流，尘埃盘收缩成一个致密的明亮圆环。
Planets form from a disk of gas and dust swirling around a young star.
行星是由围绕着年轻恒星旋转的气体和灰尘的盘状物所组成。
The problem was caused by minute particles of dust getting in the disk drive.
问题是由进入到磁盘驱动器上的灰尘微粒引起的。
The problem was caused by minute particles of dust getting in the disk drive.
问题是由进入到磁盘驱动器上的灰尘微粒引起的。
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