礁性沉积物

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 英语畅谈世界文化

Dinosaur Death Leads to Rise of Fish 恐龙死亡导致鱼类增多 Tens of millions of years ago, an asteroid hit what is now the Yucatan Peninsula of Mexico. The event led to a global mass extinction that has been linked to the end of the dinosaurs

发表于:2018-12-08 / 阅读(65) / 评论(0) 分类 2015年VOA慢速英语(七)月

It's a slow drip, but it's melting glaciers and we are to blame. That's according to a new research which finds the earth is now the hottest since it has been in 400 years and potentially the last 200

发表于:2018-12-11 / 阅读(65) / 评论(0) 分类 万花筒2006年

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(96) / 评论(0) 分类 Scientific American(九)月

As investigators studied the large serrated teeth of the giant shark, they discovered the massive power of its bite - a force of 20 tons. 在调查者研究这些巨鲨的大型锯齿状牙齿时,他们发现了它巨大的咬合力可达二十吨。

发表于:2018-12-28 / 阅读(60) / 评论(0) 分类 侏罗纪搏击俱乐部

The waves of these azure seas hide an abundant treasure. Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope of color. In oceans around the world, clear and well-circulating waters encourage corals to anchor a

发表于:2018-12-30 / 阅读(93) / 评论(0) 分类 国家地理2008年

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(四)月

Urine Analyzer 尿液分析仪 blood sugar(glucose ) analyzer血糖分析仪 test strip 测试条 reagent 试剂 Semi-automatic Biochemical Analyzer半自动生化分析仪 Automatic Blood Cell Analyzer全自动血细胞分析仪 Urine sediments

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 医学英语

托福阅读:在阅读中感受文章风格的不同 1、托福阅读文章来源于哪里? 所有的托福阅读文章都是语言枯燥无味、措词准确精妙、风格独树一帜。因为所有的托福阅读文章都选自美国的大中学校的

发表于:2019-01-18 / 阅读(64) / 评论(0) 分类 托福英语

Chapter 1 第一章 The Setting of the Stage 人类历史舞台的形成 We live under the shadow of a gigantic question mark. 人类一直以来都生活在一个巨大问号的阴影下面 Who are we? 我们是谁? Where do we come from? 我们从哪

发表于:2019-01-21 / 阅读(78) / 评论(0) 分类 美国学生人类历史

These footprints belong to one of the biggest land animals in Australia, the cassowary, a flightless bird that's almost as tall as a person. Its cloth wouldn't look at a place on a dinosaur. And its kick is so violent that the cassowary is said to be

发表于:2019-01-22 / 阅读(71) / 评论(0) 分类 自然百科2014年

The reef was left high and dry, exposed to air and harsh sun. A trillion tiny creatures died in their own homes. For the coral, it was an apocalypse. When the ice age ended, the sea came back and submerged the dead reef. But what brought it back to l

发表于:2019-01-22 / 阅读(89) / 评论(0) 分类 自然百科2011年

Aah, snorkeling in the Great Barrier Reefblue, clear water, magnificent coral, beautiful fish. How about cloudy water and dying coral and you have to look pretty hard to spot a fish anywhere? Nobody would want to go snorkeling in waters like you just

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

Todd: So, Rebecca, in Australia you have the Great Barrier Reef. Now have you been to the Great Barrier Reef? Rebecca: Yes, I have once, probably about two years ago. There's the main part of the Great Barrier Reef and then there's a little island, a

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 原版英语对话1000个

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(89) / 评论(0) 分类 英语新闻

We wandered through a confusion of departments where people sat at large tables doing intent, 我们漫步穿过一个又一个部门,只见人们坐在大桌子跟前, investigative things with arthropods and palm fronds and boxes of yellowed bo

发表于:2019-02-13 / 阅读(72) / 评论(0) 分类 万物简史

Only about one bone in a billion, it is thought, ever becomes fossilized. 据认为,在10亿根骨头当中,只有大约l根能变成化石。 If that is so, it means that the complete fossil legacy of all the Americans alive todaythat's 270 mill

发表于:2019-02-17 / 阅读(52) / 评论(0) 分类 万物简史

Mitochondria manipulate oxygen in a way that liberates energy from foodstuffs. 线粒体支配着氧,释放食物中的能量。 Without this niftily facilitating trick, life on Earth today would be nothing more than a sludge of simple microbes. 没有

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 万物简史

In the 1830s, the British naturalist Edward Forbes surveyed ocean beds throughout the Atlantic and Mediterranean 19世纪30年代,英国博物学家爱德华福布斯勘察了大西佯和地中海各处的海床, and declared that there was no li

发表于:2019-02-25 / 阅读(110) / 评论(0) 分类 万物简史

As one commentator has put it, fleeing would mean selecting a slow death over a quick one. 有一位评论家说,逃跑意味着在慢死和快死之中选择慢死。 The death toll would be very little affected by any plausible relocation effort,

发表于:2019-02-25 / 阅读(68) / 评论(0) 分类 万物简史
学英语单词
2'-deoxytubercidin
2-COOH-3OH-4-Isopenyl-5-OCH3-stylbene
AC speed control
Adams, Abigail (Smith)
after body
alkyl benzenes
aloewood oil
Alstonia scholaris
amphibole-gabbro
anisolabis maritima
annnouncer
antirattle spring
atomic reaction
base month
cantilene
cau giat
centrifugal current
certified two-wheeled double share plough
characteristic underflow
class day
code-bar switch
counterhypertensive
cutvs
delivery against b/l
derivative strucure
diagnosis of plant nutrition
donyell
ejection clik
European hornbeam
fifth freedom rights
film author
fluvial sand
fork center shaft
franklin roosevelts
group motion
horizontal view angle
hose winch
house girl
Hurworth-on-Tees
hydrangean
hypermethionemia
identical-twin
imbrie
ingressive aspect
intensifier effective gain
interval calibration
iodizate
Kafr Shukr
laser-plasma accelerator
local area
loockerman
lounged
metaluminous rocks
miaul
minirin
moored subsurface buoy
negligency
nonignition
nutrient-blood
nutrient-enriched
Oceanic Institute of Hawaii
order list
organic-coolde reactor
pallidal
persing
phytophthora meadii
pin-up girl
plump down
potyvirus lettuce mosaic virus
precombustion diesel
prismoidal rule
psychography
pumicous
purchases invoice
pytcher
quiversful
recrystallization texture
reinforcing agent
Rhipiphoridae
ruficeps
salts away
Sarcochlamys
Schwinger's variational principle
secondary recrystallization
shell and-coil condenser
silver-screens
simple array assignment statement
single lane road
snail beans
spermatic fluid
super-party
suppression vareiable
take care of a plant during its growth
Tieboro
treuhandanstalt
triafur
trichonocardiasis
tuning duration
twunts
underemployment equilibrium
white coat syndrome
whole lamina