We've already talked a bit about the growth of extreme sports like rock-climbing.
我们已经讨论了一些攀岩等极限运动的发展。
While rock-climbing, you need to remain very focused so that you won't make any dangerous errors.
在攀岩的时候，你需要保持非常专注，这样你就不会犯任何危险的错误。
Pushing 40, he was an aging rock star.
快40岁的他是个慢慢老去的摇滚明星。
Many slopes are rock fields with sparse vegetation.
许多山坡都是植被稀疏的岩石地。
The climber inched up a vertical wall of rock.
那名登山者一点点爬上了一处垂直的岩石峭壁。
Janis Joplin was the personification of the '60s female rock singer.
贾尼斯·乔普林是60年代女摇滚歌手的典型。
Elton teamed up with Eric Clapton to wow thousands at the rock concert.
埃尔顿与埃里克•克拉普顿在那场摇滚音乐会上联袂演出，博得了上千观众的喝彩。
He managed to cling on to a ledge 40 feet down the rock face.
他设法抓住了岩面下方40英尺处的岩脊。
Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
木星的卫星木卫一全是岩石，其密度为每立方厘米3.5克。
They clambered back under the falls to detach the raft from a jagged rock.
他们爬回到瀑布下面以便将卡在锯齿状岩石间的小艇拉出来。
I thought he was kidding when he said he was going out with a rock star.
他说他在与一位摇滚乐歌星谈恋爱，我还以为他在开玩笑呢。
She could hear the voices of her friends as they splashed in a nearby rock pool.
她能听到她的朋友们在附近的岩石泳池里戏水的声音。
Local workmen were blasting the rock face beside the track in order to make it wider.
当地工人正在用炸药炸开小路旁边的岩石面以便将其拓宽。
She sings with a rock band, but she's also a jazz musician in her own right.
她随一支摇滚乐队演唱，但她本身也是爵士乐手。
When I'd missed a few times, he suggested I rest the rifle on a rock to steady it.
由于我几次都没打中，他就建议我把步枪放到石头上来保持稳定。
Stan stared for hours at the quiescent scene of the Japanese rock garden.
斯坦盯着这座宁静的日本岩石花园看了好几个小时。
Sometimes later, I found a photo of a rock star dressed in a Kimono.
后来，我看到一张摇滚明星身着和服的照片。
First to colonize the barren land are the lowly lichens, surviving on bare rock.
贫瘠的土地上首先长满了地衣这种低等植物，它们在裸露的岩石上生存。
When an underwater volcano pushes submerged rock to the surface, a new island is created.
当海底火山将水下的岩石推到表面时，一个新的岛屿就形成了。
Acid rock could never be played by acoustic guitars and a symphony orchestra, could it?
迷幻摇滚乐从来就不能由原声吉他和一个交响乐团来演奏，不是吗？
Normally, the monkeys were happy enough to exchange pieces of rock for slices of cucumber.
正常情况下，猴子们很乐意用石头换黄瓜片。
We're bringing you an evening of live rock and pop music from the best local bands.
我们将带你领略当地最优秀的乐队现场演绎摇滚和流行音乐。
A narrow waterfall trickled down the side of the rock, splashing into a pool of water.
一道窄窄的瀑布从石头的边缘流淌而下，溅入一个水池。
In addition, water heated geothermally can contain salts and toxic materials dissolved from the hot rock.
此外，地热加热的水可能含有从热岩石中溶解出来的盐和有毒物质。
This pore space is known as porosity and is expressed as a percentage of the total rock volume.
这个孔隙空间被称为孔隙度，用岩石总体积的百分比表示。
Quite near the rock, but out of sight, two heads were bobbing up and down, Peter's and Wendy's.
离岩石很近，但看不见的地方，有两个脑袋上下浮动，是彼得的和温迪的。
But rock art also has a practical value for researchers and let's start by considering why that is.
但岩石艺术对研究人员来说也有实用价值，让我们先来看看为什么会那样。
Remember, magma is hot molten rock that's underground, and it is called lava when it reaches the surface.
记住，岩浆是地下炽热的熔化了的岩石，当它到达地表时就被称为熔岩。
But that makes it easier to identify something as a meteorite, as opposed to just a terrestrial rock.
但是，这使得我们更容易将东西识别为陨石，而不仅是地面的岩石。
Furthermore, if the water ice was mixed in with rock and dust, it would be protected from evaporation.
此外，如果水冰与岩石和灰尘混合在一起，它就不会蒸发掉。
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