Experts found that two hundred ten rhinos were illegally killed in South Africa in the last three years.

VOA: special.2009.12.14

There's a whole vast scholarship on this and two or three of the teaching assistants in this class are real experts on it.

荣誉的学问是很深的,这门课有两三位助教,对这方面很有研究

耶鲁公开课 - 美国内战与重建课程节选

But experts generally advise against using the drug if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.09.22

He wanted to show how three very different artists worked hard to become experts in their art.

VOA: special.2009.08.07

Experts say about one in three people will become hoarse at some point in their lives.

VOA: special.2009.09.02

Today we continue telling about a report by three geography experts from American colleges.

VOA: special.2010.03.30

Experts say pirates now control at least seventeen ships and three hundred crew members.

VOA: special.2009.04.25

Recently, American experts held a three-week training class in Ukraine about pain control.

VOA: special.2009.02.10

Experts say Asia has three-fourths of all forced laborers.

VOA: special.2009.06.08

She says the onset of maternal complications is unpredictable, and the response is often slowed by what health experts call "the three delays".

VOA: standard.2009.11.10

Market experts say next year India is likely to try to import three million tons of rice tapping the world market for the first time in 21 years because of a drought.

VOA: standard.2009.12.17