But blood drops with long tails can tell a great deal about the direction, speed and angle of the blood's starting point.

VOA: special.2010.05.05

For example, sodium in our blood plasma is almost to the point sometimes of 100 millimol or that's very, very concentrated.

比如，钠在我们的血浆中的浓度,有时几乎达到了一百毫克分子,或者说非常非常浓。

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