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Previously it was thought there were around 100, 000 microbial cells in every litre of seawater but scientists now think there could be one billion.

在此前的推测中，每一升海水中可能会有大约10万个微生物细胞，但现在科学家们认为有可能达到10亿个。

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Some doctors now think that the inside fat around important organs like the heart or liver could be as dangerous as the outside fat which can be noticed more easily.

一些医生现在认为，像心脏或肝脏等重要器官周围的内部脂肪可能和外部脂肪一样危险（外部脂肪更容易被发现）。

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But Helen wanted to keep trying. She said, "I think it will make my mind stronger to do it now."

VOA: special.2009.11.08

But, of course, what you saw in recitation, and hopefully, what you can now think very quickly by looking at this, is that this is not the only configuration of pi bonds that we could have in benzene.

当然，你们在习题课看到过，你们通过看这个可以很快的想到，这不是苯环里,唯一的π键构型。

麻省理工公开课 - 化学原理课程节选

In fact it gives me back, now I hate this, it's actually a list it's not a tuple. But for now think of it as giving you back an explicit version of that representation of all those elements.

它实际上是一个数组而不是一个元组，但是现在你们可以把它认为,是明确的这些,元素的一个表示,你会在接下来的一些课程中看到。

麻省理工公开课 - 计算机科学及编程导论课程节选

But some now think it could have been an earlier hominid known as Homo habilis.

BBC: NEWS | Science/Nature | Team widens search for 'Hobbits'

But most now think growth will slow sharply to about 1.5 percent in the April-June quarter.

WSJ: Fed survey: Housing and auto sales lift US economy

Now think about the past two Republican candidates for president: John McCain and Mitt Romney.

FORBES: Perception of Republicans Fails To Reach Between the Lines