Late Wednesday night, Labor leader Gordon Brown visited steel workers on an overnight shift.

VOA: standard.2010.05.05

And what the second point of Aufbau says is that as electrons begin to fill those levels the differences in energy may shift so that in an unoccupied state certain levels may be in the inverse order from how they are in the occupied state.

构造原理谈到的第二点是,当电子开始布满这些层时,能量差可能会有改变,所以在一个未占据的确定能级,可能与它们占据时,的排布顺序是相反的。

麻省理工公开课 - 固态化学导论课程节选

Well, it's a prefix most of the symbols in this function with just an asterisk, with a * from the keyboard so Shift-8.

好的，在这个函数中它是一个前缀符号,就是一个星号，在键盘中用Shift-8输入。

哈佛公开课 - 计算机科学课程节选

As an educator,however, Johnson says that there is no other widespread cultural innovation to explain the radical shift in language usage she's seen over the past few years.

VOA: standard.2010.01.16