But some people abuse them, and abusing painkillers can be like riding a wild animal.

VOA: special.2010.05.04

During this period, large North American animal species like mammoths and saber-toothed cats disappeared.

VOA: special.2009.01.20

Looking at this painting is like watching an action-filled movie about the animal kingdom.

VOA: special.2010.12.15

They use biomass fuels like wood,crop waste, animal waste or coal.

VOA: special.2010.02.01

That boy put up a fight like a wild animal.

VOA: special.2011.01.22

"But,since I became an animal protector it seems like wildlife numbers are increasing."

VOA: standard.2010.02.22

And,by filling in the blanks, they see the real material that been used in the reconstruction, but they also see what the animal looks like in its entirety."

VOA: standard.2009.12.08

Because if you just have random bones lying around, it's hard for someone to come in and look at it and understand what the animal looked like in its entirety.

VOA: standard.2009.12.08