In this case they were to be Shadowed.

在这种情况下，要对它们进行跟踪。

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Their study could support evidence that water persists in shadowed craters on the moon's surface - and that the water could be native to the moon and not carried there by comets.

这项研究有可能证明在遮蔽在阴影中的月球坑中还有水存在，即“月球上可能原本就有水存在”，否定了月球水来自彗星的说法。

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For more than two months after I announced, the campaign was Shadowed by the specter that there might be yet another candidate, Governor Mario Cuomo of New York.

我宣布参选之后两个多月，有一种可能性浮出水面：纽约州州长马里奥。科莫也许会参选，竞选班子对此忧心。

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Our inventions will always be shadowed by uncertainty, by the serendipity of brain cells making a new connection.

WSJ: Jonah Lehrer on How to Be Creative

The trick will be whether their shadowed vision of English life can fully cross the Atlantic.

NPR: U.K.'s Arctic Monkeys Try to Win American Fans

Mercury is known as a "volatile" - meaning it is easily vaporised - and is thought to be present in cold, permanently shadowed craters on the Moon (and perhaps other bodies).

BBC: Nasa reveals new information about moon probes crash sites