Indonesia is said to have lost almost half its mangroves forests within the past thirty years.

VOA: special.2010.04.20

And so the breakdown that we've had in past terms are just under half of the students describe themselves as among those less comfortable just 10% over 10% among those more comfortable, in between.

在以往的学期里,仅有将近一半的学生,认为自己对电脑知识不太熟悉,认为自己比较熟悉电脑的人略多于，剩余的这些学生介于两者之间。

哈佛公开课 - 计算机科学课程节选

The numbers of basking sharks have been decreasing for the past half-century.

VOA: special.2009.06.16

They will join an estimated half million people who fled their homes in the past year and still have not returned.

VOA: standard.2009.05.07

"Everyone's unemployment rates have gone up in the past year, year and a half.

VOA: standard.2010.08.10

Militants have mounted numerous suicide attacks in Pakistan during the past two-and-one-half years.

VOA: standard.2009.10.05

Half of those have died in the past two years.

VOA: standard.2010.05.26

in the past decade and a half. He also says more than half of all Americans working in the private sector are either employed by a small business or own one.

VOA: standard.2009.10.21

"More alarmingly,WHO estimates if the combined effect of decreased financial and political commitment were to be sustained or continued, this could result to a return of a half a million measles deaths each year by 2012, wiping out the gains made over the past 18 years."

VOA: standard.2010.05.21