信使号早期的近地探测没有拍到比较好的图像，但是人造飞船的中子探测器捕获到了氢的迹象—水中的氢—这或许表明了水星上可能存在冰。

Messenger's earlier flybys didn't get a good look, but the spacecraft's neutron detectors will seek signs of hydrogen — the H in H2O — which would suggest it might be ice.

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它那很长的弯曲的喙就像一个探测器，可以在潜水中寻找到食物。

It uses its long curved bill, equipped with sensitive feelers, to probe for food in shallow waters.

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如果探测器放在水中就很难进行这样的操作，在这种情形下，设备不但要做得更精巧些，而且还需要持续对抗深海中的险恶环境。

In water, it's more difficult: Equipment must be more sophisticated and continuously fight a hostile environment of deep ocean water, for instance.

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