George Washington was a military hero. So was the 7th president, Andrew Jackson, who took office in 1829.

VOA: special.2009.01.19

And the constant, if we redo it in modern SI units, 1 would take on the value of 1.1 1*10^7m-1 times 10 to the 7th reciprocal meters.

如果我们用现代国际单位制来改写它，这个值是1,1。

麻省理工公开课 - 固态化学导论课程节选

Well, actually right here in this park, on Saturday, May 7th,

嗯，实际上就在这个公园，星期六5月7日，

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I finished the 5th, the 6th and the 7th rows of stones.

VOA: special.2009.02.07

And the nucleus name was used as an analogy to the nucleus of a cell so in some ways that makes it easier to see the connection but I think it can also be a little bit confusing for maybe 7th graders that are learning both at the same time, that this nucleus acts very different from a nucleus in a cell, although, of course, there many of them in the nucleus of a cell.

原子核这个名字的命名,是类似于细胞核,这样会让人们更容易看到两者之间的联系,但我觉得这样可能,会给正在学这两个课程的,7年级学生带来困惑，原子核的行为,和细胞核完全不同，虽然在细胞核。

麻省理工公开课 - 化学原理课程节选

"In 7th century Arabia, he even did some things that were relatively progressive for 7th century women in Arabia, but certainly not for 21st century women in Britain or anywhere else.

VOA: standard.2010.07.19

I will be here. So that's May 7th.

我会在这儿。5月7日。

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