Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.

VOA: special.2009.08.26

Even if you worked in a small shop, they only had eight workers and you were related to half of them.

如果你在一个小商店工作,你需要和八个员工的一半人协调工作

耶鲁公开课 - 美国内战与重建课程节选

Generally speaking, dissonant intervals have ratios such as nine to eight for the whole step or seventeen to sixteen for the half step.

一般而言,不和谐音程是有比率的,全音的情况下为九比八,半音的情况下为十七比十六

耶鲁公开课 - 聆听音乐课程节选

By their count, the number fell from more than a half-million in nineteen eighty to about three hundred forty-three thousand in two thousand eight.

VOA: special.2010.04.14

Only eight and one half percent of Finns said that was true.

VOA: special.2009.11.17

Toyota has been inundated with lawsuits due to safety concerns that have led to the recall of more than eight-and-a-half million vehicles worldwide.

VOA: standard.2010.03.26

This year's report focuses on how well countries are doing in reaching eight-stated Millennium Development Goals, including cutting poverty by half and reducing child and maternal mortality.

VOA: standard.2009.05.21