"I'd describe him as a normal, average 19-year-old in England today.

VOA: standard.2010.05.07

So hopefully if some of you have your calculators with you, you can confirm the answer that I got, which is that the energy is 7.82 times 10 to the -19 joules.

所以如果你们带了计算器,希望你们也能确认一下，我们算出的答案，能量等于,7，82乘以10的-19次方焦耳。

麻省理工公开课 - 化学原理课程节选

*10^-19 That is 1.6 times 10 to the minus 19 and I write joules.

。,然后我又写了焦耳。

麻省理工公开课 - 固态化学导论课程节选

After 19--I don't know if Wal-Mart--was it around in 1960?

我记不太清,大概在1960年左右吧

耶鲁公开课 - 金融市场课程节选