The Democracy Video Challenge was launched last year at the United Nations on September fifteenth, International Democracy Day.
VOA: special.2009.10.02
If you take a look at the last day, or the day before, you will see that we talked about average valence electron energy.
如果你注意到昨天或者前天的事,你将看到,我们讨论的是平均价电子能。
Last day we looked at Rutherford, Geiger, Marsden and the experiment that they conducted on the gold foil.
昨天我们讲了卢瑟福,盖革,马斯登,以及他们在金箔上所做的实验。
At last came the day when I took the train to the university.
VOA: special.2010.01.30
Quote "On the 24th day, as we were having our breakfast, a ship appeared at last."
他写道,第24天,我们正在吃早餐,终于有船来了“
I'm going to post PowerPoints for all the lectures, hopefully at least the day before the lecture takes place, so I posted this last night.
我会把课程所有的幻灯片挂到网上,希望至少在上课的前一天完成这件事,因此我昨天晚上把今天的幻灯放上来
Now, last day, we looked at the energetics of the ionic bond, right?
昨天,我们讲的是离子键的热力学,对么?
And, as I reminded you at the end of last day, the only reason I am doing this for you right now is I want to elucidate the principles.
就像我上次课的最后跟你们说过的那样,我现在给你们讲这些,仅仅是我想把原理阐释清楚。
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