An estimated five thousand protesters known as Red Shirts occupied a three square kilometer area of Bangkok's business district.

VOA: special.2010.05.22

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

Supporters of G.M.foods say they can help feed an estimated three billion more people by the middle of the century.

VOA: special.2010.03.23

Each year an estimated two hundred fifty thousand to half a million children go blind from vitamin A deficiency.

VOA: special.2011.03.01

An estimated one billion people in forty countries watched this program when it was broadcast on television in nineteen seventy-three.

VOA: special.2010.04.02

In eighteen fifty,there were an estimated one hundred fifty glaciers in the more than four hundred thousand hectare park.

VOA: special.2009.04.22

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

The United States National Institutes of Health says autoimmune diseases affect an estimated five to eight percent of the country's population.

VOA: special.2010.06.15

The mystery is linked to the Freemasons, a secret men's group with an estimated five million members around the world.

VOA: special.2009.10.09

But media reports say an estimated twenty million migrant workers returned home last year after losing their jobs.

VOA: special.2010.06.18

An estimated seventeen percent of the labor force either lacks a job or is not working enough to pay all the bills.

VOA: special.2009.12.18

The World Health Organization says there are an estimated two hundred thousand cases of the disease and thirty thousand deaths each year.

VOA: special.2009.05.26

Africa had an estimated seventeen thousand white rhinos and four thousand black rhinos as of two years ago.

VOA: special.2009.12.14

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

Saturday night, the House of Representatives passed a bill with an estimated trillion-dollar price over ten years.

VOA: special.2009.11.13

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

VOA: special.2009.12.07

Over one million Americans are living with the virus, out of an estimated thirty-three million people worldwide.

VOA: special.2010.07.14

In the United States each year, an estimated four out of one thousand females older than twelve are victims of non-fatal domestic violence.

VOA: special.2009.02.28

But the amount of cropland planted with the crops rose by an estimated seven percent worldwide.

VOA: special.2010.04.27

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 South African government has invested an estimated twelve billion dollars during the past four years.

VOA: special.2010.06.09

An estimated forty-five million people are blind, and India is home to ten million of them.

VOA: special.2010.04.27

The average college student in America spent an estimated seven hundred dollars on textbooks last year.

VOA: special.2009.09.03

The movie says that the world's shark population has dropped by an estimated ninety percent.

VOA: special.2009.04.03

During the period of the Cold War, an estimated 30 million people in Eastern Europe and the Soviet Union listened to him on the radio.

VOA: special.2009.01.30

In the United States alone, an estimated twenty million are affected at any given time.

VOA: special.2009.09.02

Rhinoceros poachers are killing an estimated two to three of the rare animals each week.

VOA: special.2009.12.14

An estimated twenty percent of human genes have been patented in the United States.

VOA: special.2010.04.09

The WHO report says an estimated to have some form of cancer this year.

VOA: special.2009.01.13