Scientists make a guess about what might be true.

科学家们猜测什么可能是真实的。

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Please make a tentative guess about the passage according to the pictures.

请根据图片对这篇文章做一个初步猜测。

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Knowing both its size and its mass, he wasthen able to calculate its density, and thus make a plausible guess about itscomposition.

知道了它的大小和质量，并能求出密度，进而可对其成分进行估测。

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You see somebody for about a second, you could make a guess.

你看对方一秒，就能猜到了。

耶鲁公开课 - 心理学导论课程节选

By staging mock trials or convening focus groups they can make a good guess about how trials will come out, which may encourage settlement.

ECONOMIST: American juries

In any case, savvy readers and viewers can often make a shrewd guess about who is involved or what they are supposed to have done by assembling clues from different media in "jigsaw" fashion.

BBC: Net makes royal rumour spread inevitable

It does not help that financial products are now so complex that it is very hard to make even an educated guess about the real value of a bank.

ECONOMIST: Financial services