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1·According to the scientists, some of the dark and dusty material from the outer ring moves inward toward Iapetus, slamming the icy moon like bugs on a windshield.

这提示科学家：就像虫子落在挡风玻璃上一样，外环中的黑暗尘埃微粒也会移向土卫八，并溅落在其冰冻表面上。

2·The photos will certainly look shiny and brilliant when framed and focused under spotlights, she says. However, can you imagine how we found them among piles and piles of dusty material?

照片配上相框，在聚光灯下一定光彩照人，但谁会想到它们是从大堆尘封已久的故纸堆里翻找出来的呢？

3·With only scanty written sources to go on and the fox shrines themselves hidden away in hedges or the dusty corners of temples, Kang has done a good job in ferreting out her material.

因为不太有文字记录可以追索，而且狐仙庙也被隐藏在布满灰尘的角落，康为了挖掘所需资料做了很出色的工作。

4·Within the Iris, dusty nebular material surrounds a hot, young star.

在彩虹星云中，星云尘埃物质围绕着一颗炙热的年轻恒星。

5·Its strong stellar wind precedes it, compressing and heating the dusty interstellar material and shaping the curved shock front.

强烈的恒星风压缩加热了星际尘埃，并在前方形成弧形的震荡波。