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第三人稱復(fù)數(shù)：tundras

名詞苔原; 凍原; （多數(shù)位于北極圈的）凍土帶; 寒漠

1. 凍原：(7)凍原(tundra) 是寒帶的典型植被,在高山樹線以上則存在著高山凍原. 凍原植物種類貧乏,以苔蘚和地衣占優(yōu)勢,并散生有一些灌木或小灌木. 凍原在歐洲大陸和北美均有分布,中國沒有極地凍原而有高山凍原.

2. 凍土：這對(duì)於地處極圈附近,地形大都是凍土(Tundra)的城市很有幫助. 通常為了資源才會(huì)在極圈附近建設(shè)的城市,因?yàn)樗闹軟]有很多可以產(chǎn)出食物的地形,所以人口成長常會(huì)受到限制,透過生物學(xué)的幫忙,多少可以增加一點(diǎn)人口的成長率吧.

3. 苔原凍原：凝灰?guī)r tuff | 苔原 ; 凍原 tundra | 苔原氣候 ; 凍原氣候 tundra climate

1. In his stead were such Quarren dignitaries as Tundra Dowmeia, Zil Topur and Nor Wedd.
代替他的則是像吞拿?多美亞，梓爾?托坡和諾?衛(wèi)德這樣的夸潤權(quán)貴。

2. If you keep going up, you'll emerge on the alpine tundra.
如果你繼續(xù)下去了，你會(huì)出現(xiàn)在高山苔原。

3. Les burled beneath the frozen arctic tundra.
儲(chǔ)存在北方的凍土之中

4. The tundra is also home to caribou, an important source of sustenance in regions such as Alaska's North Slope.
在苔原同時(shí)也是北美馴鹿家園，一個(gè)重要的生計(jì)來源的地區(qū)，如阿拉斯加的北坡。

5. The Canadian arctic tundra is one of the world's largest wildernesses but, according to'Global Warming and Species Loss in Globally Significant Terrestrial Ecosystems', more than three-quarters of its area will disappear, with a loss of one in five of the species living there.
加拿大北冰洋苔原是全世界最大的荒原之一。但是，根據(jù)《全球變暖和世界重要陸地生態(tài)系統(tǒng)的物種損失》，這片苔原將消失超過3/4的面積，那里生活的物種將有1/5不復(fù)存在。

6. The Canadian arctic tundra is one of the world's 自 largest wildernesses but, according to'Global Warming and Species Loss in Globally Significant Terrestrial Ecosystems', more than three-quarters of its area will q disappear, with a loss of one in five of the species living there.7
加拿大北冰洋苔原是全世界最大的荒原之一。但是，根據(jù)《全球變暖和世界重要陸地生態(tài)系統(tǒng)的物種損失》，這片苔原將消失超過3/4的面積，那里生活的物種將有1/5不復(fù)存在。2

tundra的意思

7. The control of development and protection of the tundra is an international problem.
凍原的發(fā)展控制和保護(hù)是一個(gè)世界性的問題。

8. For the first time, large numbers of people were brought into contract with the tundra.
這是破天荒第一次，把一大批又一大批的人送到這里來與凍土帶打交道。

9. Oil from beneath the tundra is very important to the nations'development.
來自凍土帶下面的石油對(duì)美國的發(fā)展至關(guān)重要。

10. Any increase or decrease in the population of one species may affect all other species on the tundra.
任何一個(gè)物種在數(shù)量上的增加或減少都會(huì)影響到凍土帶上所有的其他物種。

tundra

11. All 2010 Toyota Tundra models receive a freshened look with a redesigned front grille and taillamp design.
所有2010年豐田Tundra車型收到一封包含重新設(shè)計(jì)的前格柵和尾燈設(shè)計(jì)，清看看。

tundra什么意思

12. Some new methods of grounding for lightning protection in tundra to be tested and problems still to be settled are presented.
結(jié)合高原凍土地區(qū)的特點(diǎn)，探討了格拉段防雷接地技術(shù)的新思路和急需解決的問題。

13. In Greenland, caribou time their births to coincide with the blooming of tundra vegetation.
在格陵蘭，北美馴鹿的繁殖期與苔原植物的花期是一致的。

14. It heads straight north from the Livengood turnoff of the Elliott Highway, through arctic tundra to the farthest north reaches of Alaska.
它北起Livengood在艾略特高速路處岔開，沿途經(jīng)過北極凍原，最遠(yuǎn)到達(dá)阿拉斯加北部。

15. The arctic tundra forms a circumpolar band between the Arctic Ocean and the polar ice caps to the north and the coniferous forests to the south.
北極凍原在北部的北冰洋和極地冰蓋與南部的針葉樹森林之間，形成了一個(gè)環(huán)繞極地的帶。

16. The altiplano tundra is a potential source of the formation and preservation of nature gas hydrate.
高原凍土帶是天然氣水合物生成和保存的潛在源區(qū)。

17. A loyalist Senator, Tundra Dowmeia, was installed in his wake, but he could not keep Separatist-sympathies quiet among the Quarren.
一位忠誠派參議員吞拿?多美亞隨后擔(dān)任了這個(gè)職位，但他無法止住夸潤人對(duì)分裂主義者的同情。

18. By the end of August gust the breath of winter retums, and by mid-September the tundra is white again.
八月之末，凍土帶已有了一絲冬天的氣息，到了九月中旬，凍土帶又是一片冰封雪蓋。

19. Vast stores of carbon in the form of peat underlie much of the tundra in Alaska and Russia, evidence that for long periods Arctic tundra has been a net carbon sink; about600 cubic miles of peat are currently in cold storage.
碳以「煤」形式大量儲(chǔ)存在阿拉斯加與俄羅斯大部份的苔原底下，長期以來北極苔原一直都是碳的儲(chǔ)存槽，現(xiàn)在約有2500立方公里的泥煤冷藏于此。

20. It is this thin layer of active soil that supports all living things on the tundra.
正是這薄薄一層活性土壤供養(yǎng)著凍土帶所有的生物。

1. 凍原;苔原
Tundra is one of the large flat areas of land in the north of Europe, Asia, and America. The ground below the top layer of soil is always frozen and no trees grow there.

1.

1. Northern Canadian vegetation tapers from coniferous forests to tundra and finally to Arctic barrens in the far north.

2. Toyota has said it will bring the option to the Tundra pickup.

noun

1. a vast treeless plain in the Arctic regions where the subsoil is permanently frozen