So he says if he makes five sales a day he can get by. Tassembedo passes by one lady, Salimata Ouedrago, wearing the Women's Day cloth from last year.

VOA: standard.2010.03.08

So there are two electron configurations in the n equals one shell, if we follow according to the selection rules that we spelled out last day.

如果根据上次课,我们阐明的原子光谱选择定则，我们就会知道在n等于1的那一层,有两种电子图像构型。

麻省理工公开课 - 固态化学导论课程节选

More than 150,000 people have left their homes in Burkina Faso, many in the capital Ouagadougou, where the United Nations says the amount of rain that fell in one day last week equals one-quarter of the nation's average annual rainfall.

VOA: standard.2009.09.06