Mary was nine years old. Tommy was six and little Teddy had just turned four.

VOA: special.2009.12.12

You take a nine-month-old and for Piaget a nine-month-old is just starting to make sense of objects and their permanence.

你找到一个九个月大的婴儿,在皮亚杰看来,九个月大的婴儿才刚刚发展出,客体以及客体永存性的概念

耶鲁公开课 - 心理学导论课程节选

It's just one, nine through 11, which you've probably had done for days now, so you just bring that material and hand it in.

只包括第一节,第九到第十节,这些你可能好几天前就做好了,那你只要带上材料交上来就可以了

耶鲁公开课 - 聆听音乐课程节选

The National Geographic Society published her book just in time for the two hundredth anniversary of Charles Darwin's birth on February twelfth, eighteen oh nine.

VOA: special.2009.02.27

One nice thing, by the way -- this is just chance I think -- the median answer in the class was nine, which is spot on, so the median hit this bang on.

顺便提一下,有趣的是,我就是顺便提一嘴,班级中位数也是9,中位数正好也是游戏的答案

耶鲁公开课 - 博弈论课程节选

In the first nine months of 2009, capital inflows stood at just $12 billion one fifth the level of a year earlier.

VOA: standard.2009.10.16

"I ended up getting,I think, eight or nine songs with Gurf just great,"

VOA: standard.2009.04.21