Mister Wegener said the lighter continental rock floated up through the heavier basalt rock of the ocean floor.

VOA: special.2010.01.12

That's not the whole song and dance that you went to a building and you threw up a rock or anything.

不是你又蹦又跳地跑到楼顶,然后往下扔了块石头

耶鲁公开课 - 基础物理课程节选

The belayer then gives more rope up to the lead climber as he moves up the rock.

VOA: special.2009.12.09

These lines follow underwater mountains, where hot liquid rock flows up from deep inside the planet.

VOA: special.2010.01.12

Up in the mountains are clear lakes, quick-moving small rivers, and huge formations of rock.

VOA: special.2009.01.07

On the other side, sunshine lights up the naked rock walls in red, orange,and gold.

VOA: special.2009.10.07

The lead climber attaches his rope to devices in the rock as he climbs up.

VOA: special.2009.12.09

At Jordan Catholic School in Rock Island,Illinois, students set up a money supply for Haiti.

VOA: special.2010.02.05

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

VOA: special.2010.01.12

The climb is straight up the face of a rock wall.

VOA: special.2009.01.07

But the suggestion was lost on the older teenage cleaners, who raced up the mountain to start rock climbing and repelling.

VOA: standard.2010.04.01

Lieutenant Dan was alwaysgetting these funny feelings about a rock or a trailor the road, so he'd tell usto get down, shut up.

VOA: standard.other

The bill to drop the rock will come up for a vote in early August.

VOA: standard.2010.07.26

"The first time we visited this rock last fall - there were maybe one or two children out of 15 who knew how to climb up this."

VOA: standard.2010.06.25

(UP-TEMPO ROCK THEME PLAYING) Wow.

VOA: standard.other