音标:['tʌndrә] ;
n. 苔原, 冻原
n. a vast treeless plain in the Arctic regions where the subsoil is permanently frozen
词型变化:名词复数形式 : tundras
考试类型:[托福/GRE]
词性分布:
名词100%

tundra的用法和样例:

例句

用作名词(n.)
  1. Gley soils are typical of tundra, meadows, and boggy areas.灰黏土是苔原、草地以及沼地所特有的。
  2. In the north are vast stretches of icy, treeless tundra.北部为冰天雪地的没有树木的辽阔平原,称之为冻原带。

词汇搭配

  • alpine tundra高山冻原
  • spotted tundra斑点状冻原
  • tundra community冻原群落
  • tundra meadow冻原草甸
  • cladonia tundra石蕊冻原
  • tundra vegetation冻原植物,冰沼植被...
  • secondary tundra次生冻原
  • tundra ecosystem冻土带生态系统...
  • tundra soil冰沼土,冻原土...
  • tundra climate冰原气候
  • polygonal tundra多边形冻原
  • rocky tundra石质冻原
  • tundra biome冻原生物群落...
  • primary tundra原生冻原
【近义词】

The World’s Top Ten Destinations 1 Ankor Wat is part of a vast network of around a hundred ancient temples hidden deep in the Cambodian 1) jungle. A thousand years ago, this was a 2) thriving wooden

发表于:2018-11-28 / 阅读(583) / 评论(0) 分类 疯狂英语2003年

[00:03.70]Frank, is he always so obsessive? 弗兰克 他总是这么专心吗? [00:06.62]-Yeah. -Yes. 对 是的 [00:11.06]Does he ever lighten up? 他从来没放松过吗? [00:11.30]-Not really. -No. 没见过 没有 [00:17.02]How long have you be

发表于:2018-11-30 / 阅读(559) / 评论(0) 分类 听电影学英语-后天

The woolly mammoth was a very large elephant-like mammal that lived on Earth several thousand years ago. Some mammoths grew to be four meters high and the largest weighed almost nine tons. Both male and female mammoths had very large tusks and walked

发表于:2018-12-03 / 阅读(403) / 评论(0) 分类 轻松英文阅读

This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel

发表于:2018-12-24 / 阅读(347) / 评论(0) 分类 Scientific American(五)月

Humans are pegged to a 24-hour cycle. We're locked into it not just by day and nighttheres the master timepiece in the brain called the circadian clock. But it doesn't make sense to live by a 24-hour clock in the Arctic, where it's dark or light for

发表于:2018-12-24 / 阅读(370) / 评论(0) 分类 Scientific American(三)月

[00:04.60]Saving the Rainforests for Future Generations [00:07.77]为子孙后代救救热带雨林 [00:10.95]Rainforests are being cut and burned from Brazil to Indonesia [00:14.93]从巴西到印度尼西亚,热带雨林正在以极快的速度被砍伐和烧毁, [00:18.91]at such a

发表于:2018-12-29 / 阅读(457) / 评论(0) 分类 大学英语自学教程上

Grizzly bears once roamed much of the United States. But two centuries of hunting and habitat loss have devastated their numbers. Today, less than 1,200 live in the Lower 48. If there is a last remaining stronghold for the North American Grizzly, it

发表于:2018-12-30 / 阅读(544) / 评论(0) 分类 国家地理2007年

Life on the Tundra Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean. In Alaska, the vast, cold region known as the

发表于:2018-12-31 / 阅读(338) / 评论(0) 分类 有声英文阅读

Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean. In Alaska, the vast, cold region known as the Northern Slope is part of the tundra. Nature sets harsh terms for survival in this

发表于:2019-01-02 / 阅读(350) / 评论(0) 分类 双语有声阅读

In Saskatchewan, as across all of the boreal, home to some of our most famous rivers, 横跨北方森林的萨克其万省,拥有一些著名湖泊, an incredible network of rivers and lakes that every school-age child learns about, the Peace, th

发表于:2019-01-18 / 阅读(343) / 评论(0) 分类 TED演讲商业篇

Autumn in the Rocky Mountains, a time of change. Aspens turn golden and the bull elk, in the midst of their mating season, work hard to catch the eye and ears of the ladies. Up in the highest peaks, another call rings out. It's the pint-sized prince

发表于:2019-01-22 / 阅读(368) / 评论(0) 分类 自然百科2009年

While the males fence, the females look on. Injured and weakened by the battle, the loser will be an easy target for the predators and scavengers that patrol the wilderness. Out here, there is little room for mistakes. With a clear view of the endles

发表于:2019-01-22 / 阅读(335) / 评论(0) 分类 自然百科2010年

OTTAWA, Aug. 27 (Xinhua) -- Canada's Prime Minister Stephen Harper announced Monday that Lieutenant-General Thomas Lawson has been appointed as Canada's new chief of the defence staff, the country's top military post. Lawson, who assumed the position

发表于:2019-02-03 / 阅读(315) / 评论(0) 分类 英语新闻

Smart ecology like this is what enables China to be largely self-sufficient in food even today. Back in the village, Yang has his own smokehouse, where he preserves his fish ready for market. Longshan carp have unusually soft scales and a very delica

发表于:2019-02-05 / 阅读(388) / 评论(0) 分类 英语听力:文化博览2008年

This is AP news minute. 1. Donald Trump shook up his transition team on Friday, elevating vice president-elect Mike Pence to head the operations. The shift amounted to demotion for New Jersey governor Chris Christie who has been running Trump's trans

发表于:2019-02-11 / 阅读(379) / 评论(0) 分类 美联社新闻一分钟2016(十一)月

I call this ability collective learning. It's what makes us different. 我把这个叫做集体学习的能力。这使我们如此特殊。 We can see it at work in the earliest stages of human history. 我们可以看到在人类历史早期的阶段

发表于:2019-02-14 / 阅读(310) / 评论(0) 分类 TED演讲教育篇

Science and technology 科学技术 How to win at poker 怎样成为扑克牌高手 A handy tip 诀窍之一 Keeping a straight face is not enough 喜怒不形于色?不太够 A POKER face. It is the expressionless gaze that gives nothing away. 所谓

发表于:2019-02-18 / 阅读(347) / 评论(0) 分类 经济学人科技系列

Lay it on me, sweet Internet. Advertisement? Oh, hey. You want to watch that baby sloth video again? Was that a no? 因特网宝贝,给我出来我吧。又是广告?哦,嘿。你想再看看那个树獭宝宝的的视频吗?所以是拒绝我咯

发表于:2019-02-19 / 阅读(434) / 评论(0) 分类 咱们裸熊

The Alaska Pipeline The Alaska pipeline starts at the frozen edge of the Arctic ocean. It stretches southward across the largest and northernmost state in the United States,ending at a remote ice free seaport village nearly 800 miles from where it be

发表于:2019-02-25 / 阅读(355) / 评论(0) 分类 双语有声阅读

几乎在每次托福考试之后,我都可以听到某些同学对着细节题扼腕长叹道:我怎么这样的题也会错!是的,我们在上课的时候,反复听着老师一遍遍地说细节题的解题方法,自以为这些方法都早

发表于:2019-03-13 / 阅读(403) / 评论(0) 分类 托福英语
学英语单词
.pa
achondrite
ammunition clip
anti-pollutant
AspectJ
aspherical surface
backus - naur form
balanced pressure regulator
biological technology
bmifs
capitalist ownership
carbamyl synthetase
centroid of a free tree
check strap
choreodramas
colleterium
combined skin flap
commiserate
common space
content architecture class
contracted
country planning
cranial sutures
crossover main
Cuc, R.
curve union
Danegelds
days-in
deboarded
debt service requirement
Dryopteris oreopteris
electresses
electroplating machine
emerged plant
erdey-grzuz-volmer reaction
ethylene glycol
Falefa
fibrous zeolite
finding of a jury
flat inclined mirror
flipism
full runout flow
gas from thermomaturation of organic matter
georgian epoch
gifter
gluonia
go into the gazette
go-to-market strategy
Gran Colombia
ground displacement
gyoza
height of metacentre above keel
horans
ideat
instrument transformer for all purpose
isopterus
Jehovah-nissi
Kool-Aid
lexical databases
lithiophorite
Lithocarpus laoticus
lonely-heart
match stock
meifod
meta-bituminite
mineral bloom
molecular biology of bacilli
molobratia japonica
money-off coupon
neuroleptoanalgesia
nutrient potential
off the wagon
order Saprolegniales
overt aggression
oxygen blasting
photoelectron limited resolving power
Prozil
public goods dilemma
pudic nerve
regulated agreement
Rock Creek
Scots fir
similize
single entry accounting
Sombo
stepwise regression procedure
stichomonad
stomachial secretion
support bone
thermal conductivity measurement
thimerosal
torpedoplane
unwatch
uptwister
uruba
use your words
variable format specification
voivodships
Wake Village
weight-growth factor
whitecups
wobble seal