"I'm pleased that we're making some progress towards mitigating the levels of traffic congestion in our region."

VOA: standard.2010.07.26

Muslims are actually doing quite well financially in America, so in some ways they are fitting in very well on many many levels.

美国穆斯林在经济上取得了重大成就，所以说从某些角度讲,他们很好的融入了社会。

普林斯顿公开课 - 人性课程节选

What we're going to start with is discussing photoelectron spectroscopy, which is a spectroscopy technique that will give us some information about energy levels in multielectron atoms.

首先，我们将讨论,光电子能谱，通过这种技术,我们能够得到多电子原子的能级信息。

麻省理工公开课 - 化学原理课程节选

That is our basic challenge now,". Geithner says it will take some time to bring down unemployment levels, which in October reached a 26-year high in the United States.

VOA: standard.2009.11.12

He preserved the broad concept of energy levels but put in some fine structure.

他继承了波尔的广泛意义上的能级概念,但引进了一个新的结构。

麻省理工公开课 - 固态化学导论课程节选

The interesting thing is that through time, as political winds change, these taxes have changed and they've gone up to some very high levels in the past in the United States and other countries.

有趣的是在不同时期,如果政策方向有所转变,税率也会改变,在过去的美国和其他国家,税率曾经相当高

耶鲁公开课 - 金融市场课程节选