The next day, they realized that the sand and natron under the fire had melted then cooled into glass.

VOA: special.2009.09.16

This is titanium sponge that comes out of the bottom of this reactor, and it subsequently re-melted in a vacuum arc furnace.

海绵状的钛,从反应器的底部出来，随后在真空炉中重新熔炼。

麻省理工公开课 - 固态化学导论课程节选

So a tiny bit of the outside is melted and is left with this really thin glass on the outside."

VOA: special.2010.07.28

It is very thin now. Find a place where the ice has melted, then tie some logs together.

VOA: special.2010.06.26

When the snow melted that spring, every stream became an angry river that raced down the mountains tearing up trees and bringing destruction.

VOA: special.2009.06.06

As the snow melted, workers were busy picking up broken branches, some as thick as fifteen centimeters.

VOA: special.2010.03.16

Volcanoes also are found in the middle of plates, where there is a well of melted rock.

VOA: special.2010.01.12

They said hot melted material flows up from deep inside the Earth through the split.

VOA: special.2010.01.12

But he was too tired to search for a place where the ice had melted.

VOA: special.2010.06.26

B.J.Adams sewed the drawings onto special fabric which melted away after she washed it.

VOA: special.2009.11.04

The desert sand around the well had melted into glass from the extreme heat.

VOA: special.2009.03.22

New crust is created as melted rock pushes up from inside the planet.

VOA: special.2010.01.12

The ice over the river had melted when he reached it.

VOA: special.2010.06.26

Sometimes,the melted rock comes out with a great burst of pressure.

VOA: special.2010.01.12

There has also been extensive flooding in the southeastern part of Iceland as parts of a glacier were melted by the volcano.

VOA: standard.2010.04.15

"Since the very beginning, I have been advocating the rather unpopular concept that communism was not defeated, that it collapsed or simply melted down .

VOA: standard.2009.11.03