淡水甲壳动物

44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con

发表于:2018-11-28 / 阅读(460) / 评论(0) 分类 新概念优美背诵短文50篇

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(132) / 评论(0) 分类 (科普英语)Earth and Sky

Broadcast: February 21, 2003 By George Grow This is the VOA Special English Environment Report. Everywhere, water use is increasing. Humans already use fifty-four percent of all the fresh water in riv

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 VOA2003(上)-社会广角

[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita

发表于:2018-12-13 / 阅读(145) / 评论(0) 分类 北师大版高中英语模块8(选修)

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is

发表于:2018-12-15 / 阅读(134) / 评论(0) 分类 新东方背诵文选

Great Barrier Reef Choking on Pollutants 大堡礁遭遇前所未有的污染 Attempts to protect the Great Barrier Reef are failing. A report released Monday by the government in Australia says water quality in the Great Barrier Reef is far below wh

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 2015年VOA慢速英语(十)月

Baleen allows the non-toothed whales to strain sea water for the fish and crustacean pray. Alexander Werth of Hampden Sydney College of Virgina avoided a Jonah like journey, and still managed to analyze how baleen works. Two kinds of whales sport bal

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(五)月

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being considered quite seriously by many nations,

发表于:2018-12-30 / 阅读(83) / 评论(0) 分类 考研背诵50篇

Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. Thats true of most golf courses. But lets look at one t

发表于:2018-12-30 / 阅读(92) / 评论(0) 分类 国家地理2008年

Rome's savagery was matched by its size. When the Colosseum was built, Rome was a city of a million people and growing. Not until London of the 19th century would a city approach this size again. What

发表于:2018-12-31 / 阅读(134) / 评论(0) 分类 罗马的崛起

Water is the

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 知性英语

Todd: Trevor, do you like the beach? Trevor: I love the beach. The beach is great. Todd: OK. Why do you love the beach? Trevor: It's nice fresh air, beautiful water, you can play in the sand, and my hobby is surfing, so I like to go surfing. Todd: Oh

发表于:2019-01-02 / 阅读(88) / 评论(0) 分类 英语访谈对话

This is the VOA Special English Development Report. Guinea worm disease usually does not kill, but it is extremely painful. It prevents people from caring for their farms, their homes and sometimes even themselves. Guinea worms can grow up to one me

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 VOA慢速英语2008年(九)月

Let's look first. The fresh water that we depend on begins its life in the oceans. As the sun's rays beat down on the surface of the sea, they heat the water molecules until some evaporate. It's the start of an extraordinary journey. Here with water

发表于:2019-01-22 / 阅读(71) / 评论(0) 分类 自然百科2010年

A big,black crow wanted to drink some water.She saw a big jug with some water at the bottom,but she could not reach the water.I know,she said,I shall put some stones into the jug.Then the water will come up to the mouth. After the fir

发表于:2019-02-04 / 阅读(104) / 评论(0) 分类 趣味英语

英国达人秀评委David Williams和美国喜剧(comedy)男星Ben Stiller对口相声(cross talk),笑说英美大不同,既有语言笑点也有借幌吐槽(spitslot),中枪名单:Stiller本人、小布什、默多克、皮尔斯摩根、哈利

发表于:2019-02-05 / 阅读(120) / 评论(0) 分类 英语万花筒

Eliminate fireplace odor There's nothing cozier on a cold winter night than a warm fire burning in the fireplace -- unless the fire happens to smell horrible. Next time you have a fire that sends a stench into the room, try throwing a few lemon peels

发表于:2019-02-06 / 阅读(131) / 评论(0) 分类 阅读空间

Lesson 25 The Herring 第25课 鲱鱼 Herrings are a kind of fish that live in the sea. They like salt water. Indeed if they are put into fresh water, they soon die. Now the gold-fish which we read about the other day likes fresh water, and it would

发表于:2019-02-13 / 阅读(118) / 评论(0) 分类 英国学生科学读本

The Minister for the Environment, Dr Nick Smith, said today that the government will spend money on controlling our fresh water and will make some important laws. New Zealand is number 3 in the world for the amount of water per person. We have many r

发表于:2019-02-25 / 阅读(126) / 评论(0) 分类 新西兰英语

We have managed once, briefly, to send humans to that depth in a sturdy diving vessel, yet it is home to colonies of amphipods, 我们只有一次用坚固的潜水器成功地把人送到了那个深度,而且就一会儿,而那里却是端足目动

发表于:2019-02-25 / 阅读(78) / 评论(0) 分类 万物简史
学英语单词
a grease monkey
acceptor stem
air drum hanger
aircraft oil
annunciata
Aoulef ech Cheurfa
asams
automatic cooking pot
Aventino, Mt.
Ba'īso
bag model
bailer dart
barnier
beam voltage
bear safe
Bijbehara
brickies
byssophthisis
cement additive
chavness
chordwise force
coat of colour
colonial theory
Constant Maturity
criminal penalty
cryobiology
cyclopentane
deep-blue
Demanol
depot tooling equipment
desperate for
disbursers
dischargeable capacity
engine shut down device
entry form title
firon
forced entry
free surplus
functionally illiterate
global work area
i like
inevitable accidents
intracranial infected aneurysm
Irtyash, Ozero
job operation manual
kaposi
lampin'
liujinyinite
locking value
lxxxiiiest
master picture monitor
maxixe aquamarine
mazier
mesoregions
monoamniote
muck spreader
mycosphaerella panlowniae shirai et hara
nanofoams
Neo-Urografin
non-equivalence
noodle
particle reinforcement
PASG
peri-implantation
phyllactinia fraxini (dc.) homma
pneumographic
population dilemma
postal ballot
preselection counter
Propionibacterium peterssonii
purell
raise a fresh scratch
reed-wren
regardait
regionals
roll-away nest
rose seizing
rubbly soil
scarus globiceps
semiconductor time-lag relay
Sherlockiana
slip element
Sonne Seamount
split ticket
surface tension error
system plan
tellenol
thecocellular
thumbs-up
tributyl tin acetate
trunci plearus brachialis
turn-over form
uncommander-like
under the harrow
vertebral fused portions
very-high-frequency tuner
victory sign
wagon soldier
weye
worthiest
xenophobias
zero-coupon