They were almost knee-deep when they realized it was a hot spring。

当他们意识到这是一个温泉时，水已齐膝深了。

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They were almost knee-deep when they realized it was a hot spring.

他们意识到这是一个温泉的时候，水已经齐膝深了。

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It's only logical to hypothesize that a lot of these people migrated to the Nile valley when they realized that this was more than a temporary drought.

当人们意识到这不仅仅是一场暂时的干旱时，他们中的许多人迁移到了尼罗河谷，这是唯一合乎逻辑的假设。

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"I had not realized that that was the case until just recently when they called.

VOA: standard.2009.10.12

But he also realized that when they did hit something what they hit what unbelievably massive but also that that mass was concentrated So eventually, this is what we have come to call the nucleus of an atom.

碰到的一定是十分重的东西,而且那些质量,要聚集在非常非常小的空间内,这个就是我们称作,原子核的东西。

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Suffice it to say, when they realized that the school worked out where he was.

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Everyone had a moment when they realized Sandy wasn't like any other storm they had lived through.

WSJ: Sandy Oral History: Tales of the Superstorm in Long Beach

"I see people are clever and resourceful when they realized there is a major global problem, " he said.

CNN: STORY HIGHLIGHTS