也只有“XMM-牛顿”的灵敏度才能使发现成为可能，这是由于纤维是沿着视线的，把一小块天区里整个纤维散发出的光都集中起来了。

Even with XMM-Newton's sensitivity, the discovery was only possible because the filament is along the line of sight, concentrating the emission from the entire filament in a small region of the sky.

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大树沿着边界放置，以便阻挡来自隔壁区域的不想要的视线。

The big trees are placed along the boundary to block the unwanted view from the next door area.

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普勒沿着路看到了转弯处。任何车转过这个弯就出了门卫的视线。

Puller looked down the road where it curved. Any car turning the curve would be out of sight of the post's entrance.

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