The tsunami killed an estimated two thousand adult albatrosses and about one hundred ten thousand chicks from Wisdom's nesting area.

VOA: special.2011.05.24

Then from 1820 to 1860, the forty years before the war, an estimated roughly two million American slaves were sold to satisfy the need of slave labor in the great cotton kingdom of the growing Southwest.

之后从1820年到1860年,这战争前的四十年间,据粗略统计有大约两百万美国奴隶被出售,以满足西南部,这个日益增长的棉业帝国对奴隶劳工的需求

耶鲁公开课 - 美国内战与重建课程节选

The absolute number of child deaths declined to an estimated eight-point-eight million from twelve-point-five million in nineteen ninety.

VOA: special.2009.09.28

It is estimated that more than 2,500,000 people worldwide suffer from multiple sclerosis, which also is called MS.

VOA: special.2009.01.06

Economic losses from the disease amount to an estimated one percent of the African economy each year.

VOA: special.2009.12.07

The earlier report estimated profits from trafficking alone at more than thirty billion dollars a year.

VOA: special.2009.06.08

Each year in the United States, secondhand smoke kills an estimated 46,000 nonsmokers from heart attacks.

VOA: special.2009.01.07

Economic losses from the disease represent an estimated one percent of the African economy each year.

VOA: special.2009.12.22

The Texas researchers estimated the energy intensity of preparing food from agriculture, transportation,processing and food sales.

VOA: special.2010.11.23

An estimated two hundred fifty thousand people die from the disease every year.

VOA: special.2009.07.28

While an estimated one million Kenyans suffer from kidney disease, dialysis and transplants to battle the condition are limited and expensive.

VOA: standard.2010.05.30

An estimated 1,000 people die in South Africa each day from the virus and another 1,000 new victims are infected.

VOA: standard.2009.12.02

In September,the United Nations said the estimated number of deaths of children under age five had dropped from the previous year.

VOA: standard.2009.12.25

The report finds an estimated 642 million people are suffering from chronic hunger in Asia and the Pacific.

VOA: standard.2009.10.14

A recent ILO study finds an estimated $28 billion is made from trafficking for sexual exploitation every year.

VOA: standard.2009.08.21

Referring to last week's upward revision of the amount of oil leaking from the well, with substantially higher numbers than originally estimated by BP, Admiral Allen said President Obama and government officials want to make sure that BP is applying sufficient resources to deal with the spill.

VOA: standard.2010.06.14