Constructed in around 1700, it's nine storeys deep, with the last two levels underwater.

它建于1700年左右，有9层楼深，最后两层在水下。

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It creates two levels of groups.

它创建了两个级别的组。

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Pairing can be discussed at two levels.

可以从两个层面讨论结对。

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They say the presence of informal schools means that Kenya has two levels of education: One for children from the slums, another for children from better conditions.

VOA: special.2009.08.24

The formula tells us or absorbed based on the energy difference between the two levels that we're going between, that the electron is transitioning between.

这些公式告诉我们,或发出的光的，频率大小,是基于，电子转移的，两个能级，之间的能量差。

麻省理工公开课 - 化学原理课程节选

So this means that we can go directly from the energy between two levels to the frequency of the photon that's emitted when you go between those levels.

这意味着我们可以直接,从两个能级的能量得到它们之间,跃迁发射出光子的频率。

麻省理工公开课 - 化学原理课程节选

Well, my boss does it occasionally, and two levels up the outbursts are even more intense.

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Both had been rated at accident level 5, again, two levels lower than Chernobyl.

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She surmises that two levels of self-justification probably were going on in Madoff's mind.

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