Grab a calculator and you'll discover that, over 40 years going out to dinner twice a month at $40 each time amounts to half a million.
拿起计算器,你会发现,40多年来,每月两次外出吃晚餐,每次花费40美元,总计50万美元。
"By following individuals over time," Salthouse said, "we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline."
索尔特豪斯说:“随着时间的推移,我们通过跟踪个体对认知变化有了更深刻的认识,并可能找到延缓认知速度下降的方法。”
They'll swear that they left it in the changing room, create havoc and then discover it had been in their car all the time.
他们会发誓说他们把它忘在了更衣室,搞得一团糟,然后发现它一直在他们的车里。
And,they can discover the time of death to see if it matches information given by suspects and witnesses.
VOA: special.2010.05.05
It turns out that we are far from the first people, although it felt exciting, we did not discover this for the first time here today. In fact, J.J. Balmer, JJ Balmer who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.
实际上,它第一次被发现已经是在很早之前了,虽然我们觉得很激动,但我们,并不是第一次发现这个的,事实上,一个19世纪的老师,是第一个在氢原子中发现这些谱线的人。
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