像水一样不稳定,变化无常

[00:00.98]C So why is nature beginning to turn on us? [00:05.71]One answer is over-population. [00:07.86]The population of the world [00:09.12]is growing at the rate of 10,000 people [00:11.54]an hour,240,000 every day, [00:15.91]nearly 90 million a

发表于:2018-12-13 / 阅读(159) / 评论(0) 分类 北师大版高中英语模块8(选修)

The state of Florida is best known for its beaches and swaying palm trees. But a good chunk of it is swampland. The famous Everglades, a slow-moving sheet of water full of plants and alligators, cover much of the southern part of the state. To the no

发表于:2018-12-16 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(三月)

You're up, I'm just getting in So rough, God knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall Y

发表于:2018-12-16 / 阅读(80) / 评论(0) 分类 节奏布鲁斯

This is Scientific American-60 Seconds Science.Im Julia Roson.Got a minute?The worlds mountain glaciers contain just 1%of all the ice on earth.But their rapid melting accounts for about a third season sea level rise.Most of these glaciers that starte

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 2015年Scientific American(六)月

(man) I know you're anxious to get your permits and get started. But there're just a few things I'd like to mention that might help you avoid trouble during your stay. First of all, make sure you carry adequate water. You'll need it if you're hiking

发表于:2018-12-30 / 阅读(169) / 评论(0) 分类 托福听力短文

伊拉克摩苏尔大坝面临随时决堤危险 Maintenance work began Thursday to shore up the dam's weakening structure, undermined by years of conflict and neglect. Iraqis living near the Tigris River are worried. 周四大坝的维修工作正式开

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 VOA标准英语2016年(三月)

Speaking in 65 different languages from the central balcony of Saint Peter's Basilica, Pope Benedict offeres a blessing of peace and joy for the holiday. Sabina Castelfranco | Rome 25 December 2009 Photo: AP Pope Benedict XVI gestures to the faithful

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2009年(十二月)

Participants at the United Nations Climate Change Conference in Cancun, Mexico are complaining about long delays amid heavy security. Some environmental activists say they are being kept well away from conference sites, and when a group tried to stag

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 VOA标准英语2010年(十二)月

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(192) / 评论(0) 分类 VOA标准英语2011年(四月)

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2014年(七月)

By Daniel Schearf Beijing 07 June 2008 Chinese workers have started draining a massive, unstable lake formed by the Sichuan earthquake. Chinese officials say the water level is still rising but the threat of the lake bursting has been eased. Daniel

发表于:2019-01-19 / 阅读(123) / 评论(0) 分类 VOA标准英语2008年(六月)

If you're approaching the big 3-0 and feeling suddenly aimless and insecure about your career and relationships, you might in the middle of what we know anecdotally as a pre-30 meltdown. Recognizing the symptoms of a late-20s identity crisis can be t

发表于:2019-02-05 / 阅读(117) / 评论(0) 分类 英语美文

[11] But the industry has been expanding for the past 10 years, and is thought to be worth several billion dollars. During the 1990s, PMCs trained militaries in some 42 countries. Analysts estimate th

发表于:2019-02-06 / 阅读(151) / 评论(0) 分类 阅读空间

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(115) / 评论(0) 分类 VOA标准英语2008年(十月)

Don't like the look of this stuff at all. 真不喜欢这样的冰川地貌 There you see it's just all free-floating, broken ice. 满眼尽是残破的浮冰 Kind of like lots of mini, little icebergs here.But they are gonna be super unstable. 就像众

发表于:2019-02-13 / 阅读(110) / 评论(0) 分类 荒野求生

Particles can come into being and be gone again in as little as 0.000000000000000000000001 second (10-24). Even the most sluggish of unstable particles hang around for no more than 0.0000001 second (10-7). 粒子可以在短达0.000 000 000 000 000 0

发表于:2019-02-17 / 阅读(134) / 评论(0) 分类 万物简史

Listen to the airport broadcast. Check the key points that are announced. 1.Last call for passenger Cho Mei-Lin. Please proceed to the boarding gate of Q38 immediately. Your flight to Munich is departing in 15 minutes. 2.Passenger Lee Young-Ming with

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 英语听力练习题

To make the rungs, use green and bendy branches. 要用新长的柔软的树枝做横木 Dry wood is too brittle and will snap under my weight. 枯木太脆 承不起我的重量 And I'll just put a clove hitch in the end,very simply, like that. 在一

发表于:2019-02-22 / 阅读(142) / 评论(0) 分类 荒野求生

Oxygen itself is not combustible; it merely facilitates the combus tion of other things. (氧本身是不可燃的,它只是帮助别的东西燃烧。 This is just as well, for if oxygen were corn bustible, each time you lit a match all the air

发表于:2019-02-25 / 阅读(111) / 评论(0) 分类 万物简史

You're up I'm just getting in So rough god knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall You

发表于:2019-03-11 / 阅读(171) / 评论(0) 分类 音乐咖啡厅
学英语单词
-rops
acceleration pump
acroamatic
advance angle of ignition tester
airtours
allantoate
ambient conditions
annual capacity factor
auto regression model
biemillers
boundary-based representation
bromrtrifluoromethane
buckleth
bulik
bydrogen-poor star
cadmium trngstate
carthies
centrical constriction
clarirication point
coffin varnish
cognisantly
computerized switching
corrected oil
cremnophilus
crimper-trimmer
cubelike molecule
cuff links
cylindrical-boiler
design of simulation experiment
dilatations
double ended tank locomotive
dynamic track-following
endangered-species
expiscates
fall upon evil days
fevers
floating wreckage
floorplanned
foresightly
fuel rod outer diameter
get someone into chancery
Gypsophila L.
hunting knives
ingress of water
insuckens
isometrical drawing
JMV
larvate pneumonia
lpc (linear predictive coding)
mcwhorter
MD method
mental operation
Merrifield synthesis
metallic rheostat
mibloerone
minister of state
misfiguring
moist forest
monthly shipment
MOS array
nail brush
nilges
now
of the first head
Ohehanoihu
Ollendorf
on-board
out of favor
partition runing
Penglish
pesh mergas
phosphonation
phytometry
post-order
post-recessionary
power per litre
printer redirection
quadruple
rang
recompensating
resistance interruption
ring casing
sea watches
section mill
self-corresponding element
septacrol
serum protein refractometer
settlement on account
shyish
standard grooved recording
superheated vapo(u)r steam
tejeroes
thin taste
translative case
triple ion
turkey trot
varactor multiplier chain
Velymche
water fire-extinguishing system
with holes
wotoes
write-in campaign