(Recording) Yoon says the North Korean leader is trying to "lower his son down safely from the back of a tiger, without getting eaten" a metaphor referring to Kim Jong Il's apparent plans for his youngest son to take over one day.

VOA: standard.2009.10.23

If I take lambda equals one angstrom, hc/lambda go through hc over lambda, you will discover that the energy of a photon with one angstrom as its wavelength is on the order of 12,400 electron volts.

如果我让波长等于一埃，能量为，你将发现光子的能量,当其波长为1埃的时候,相当于12，400电子伏特。

麻省理工公开课 - 固态化学导论课程节选

This particular one down here, this portion here is a heart/lung machine and this is a machine that can take over the function of a patient's heart and lungs during the period when they're undergoing open heart surgery, for example.

下面这是一个特别的设备,这一块是,心肺机,这台机器能够,在病人接受心脏手术的时候,替代病人的,心脏和肺的功能

耶鲁公开课 - 生物医学工程探索课程节选

You get nineteen times your money over eighty-one years, but then if you take into account the inflation consumes a multiple of eleven and you're an institution like Yale that consumes only after inflation returns, putting your money into treasury bills really didn't get you very much.

1年后你的钱翻了19倍,但是如果考虑通货膨胀,在此期间侵蚀了11倍的收益,而且如果你是像耶鲁这样,减去通货膨胀调整到实际回报后再论支出,那么将钱投资于短期国库券,不会让你赚得多

耶鲁公开课 - 金融市场课程节选

The period, that's right. So, it's going to take one period to move that long. And another way 1 we can say period is just 1 over nu or 1 over the frequency So, now we know both the distance traveled and the time the elapsed.

还是？周期，对的,它需要一个周期的时间,另一种说法是周期是,除以nu，也就是1除以频率,现在我们同时知道了。

麻省理工公开课 - 化学原理课程节选