volcanic造句

1、 Volcanic island species are all transplants from distant locations and exist in combinations not found elsewhere.(火山岛物种都是从遥远的地方移植过来的，它们的组合在其他地方是找不到的。)

2、 How can volcanic activity occur so far from a plate boundary?(火山活动是如何在离板块边界那么远的地方发生的呢？)

3、 So this too suggests ongoing volcanic activity.(这也表明了火山活动将会继续。)

4、 The Romans observed that, when volcanic ash mixes with water and then cools, it gets extremely hard and almost impossible to break up.(罗马人观察到，当火山灰与水混合然后冷却，火山灰变得非常坚硬，几乎不可能分解。)

5、 Gas mixtures emitted from present-day volcanoes resemble this early atmosphere, suggesting its origin from volcanic eruptions.(现代火山释放出的气体混合物类似于这种早期的大气，这表明它（地球）起源于火山喷发。)

6、 The hard volcanic stone apparently had a secure market.(硬火山石显然有一个可靠的市场。)

7、 It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.(人们普遍认为，具有如此高镁含量的火山岩是不可能存在的。)

8、 Which of the following can be inferred from paragraphs 2 and 3 about the Volcanic eruptions of the late first millennium?(有关公元后一千年末期的火山爆发，下列哪一项可以从第2段和第3段中推断出来？)

9、 The reason is that rich volcanic soil makes the land fantastic for farming.(原因是，肥沃的火山土壤使这片土地极适于农业。)

10、 Although the origins are uncertain, experts think that this is largely due to the high level of volcanic activity in the area.(尽管起源还不确定，专家认为这主要是由该地区频繁的火山喷发所造成的。)

11、 Volcanic activity has created thermal springs and boiling mud pools.(火山活动产生了温泉和沸腾的泥浆池。)

12、 The probes have also made the scientists think that under its surface, Europa has a rocky core giving off volcanic heat.(这些探测器还让科学家们认为，在木卫二的表面之下有一个释放出火山的热量的岩石内核。)

13、 The 1980 volcanic eruption of Mount Saint Helens, for example, sent mud and debris into several tributaries of the Columbia River.(例如，1980年圣海伦斯火山爆发，导致哥伦比亚河的几条支流产生泥石流现象。)

14、 However, its height often changes when volcanic material accumulates during eruptions and subsequently collapses.(然而，当火山物质在喷发过程中积累并随后崩塌时，它的高度经常发生变化。)

15、 Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.(大约30亿年前，洪水形成了流出通道，大约与北部火山平原形成的时间相同。)

16、 Also included will be any variations that have arisen from volcanic activity, solar activity, and, possibly, human activities.(这还将包括火山活动、太阳活动，可能还有人类活动引起的任何变化。)

17、 The Cascades are made up of lavas and volcanic materials.(瀑布是由熔岩和火山物质构成的。)

18、 As the plate moved slowly northwest, new volcanic islands would have formed as the plate moved over the volcanic source.(当板块缓慢向西北移动时，新的火山岛就会随着板块的移动，在火山源处形成。)

19、 The city was entombed in volcanic lava.(那个城市被火山熔岩掩埋了。)

20、 The most recent island, Hawaii, would be at the end of the chain and is now over the volcanic source.(最近的一个岛屿是夏威夷岛，它位于这条岛链的末端，现在位于火山源头的上方。)

21、 Water and heat from volcanic activity are two basic conditions needed for life to form.(水和火山活动散发的热量是生命形成的两个基本条件。)

22、 Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.(铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。)

23、 They built thousands of circular stone windbreaks and gardened inside them, and used broken volcanic rocks to keep the soil moist.(他们建造了成千上万的圆形石质防风林并在其中种植花草，还用破碎的火山岩来保持土壤湿润。)

24、 Volcanic ash showered down on the town after the eruption.(火山喷发后，小城落了一层火山灰。)

25、 They occur primarily in regions of recent volcanic activity as hot, dry rock; natural hot water; or natural steam.(地热能主要以干热的岩石、自然热水或自然蒸汽的形式出现在近期火山活动的区域。)

26、 Over 200 people have been killed by volcanic eruptions.(已有两百多人死于火山喷发。)

27、 Reykjavik, the capital of Iceland, is entirely heated by geothermal energy derived from volcanic heat.(冰岛的首都雷克雅未克完全是用火山热产生的地热能来供热的。)

28、 It's quite possible that this is due to volcanic eruptions, because volcanic eruptions often emit gases.(这很有可能是由于火山爆发，因为火山爆发经常释放气体。)

29、 The volcano spewed out more scorching volcanic ashes, gases, and rocks.(该火山喷出了更多灼热的火山灰、各种气体和岩石。)

30、 Many oceanic islands are volcanic.(很多海洋岛屿是火山岛。)