[水产] 淡水养殖

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(506) / 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(167) / 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(136) / 评论(0) 分类 VOA2003(上)-社会广角

AGRICULTURE REPORT - How to Become a Fish Farmer By Gary Garriott Broadcast: Tuesday, November 02, 2004 This is Gwen Outen with the VOA Special English Agriculture Report. Aquaculture can supply prote

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 农业与发展

[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(171) / 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(160) / 评论(0) 分类 新东方背诵文选

[00:00.00]Global Shortage of Fresh Wat [00:03.53]Fresh water seems to be inexhaustible.Every day,as soon as the tap is turned on,water will run endlessl [00:13.40]Besides,we can get fresh water in rivers and well [00:17.48]So,some people don't treasu

发表于:2018-12-30 / 阅读(104) / 评论(0) 分类 英语六级听力练习集锦

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(118) / 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(142) / 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(163) / 评论(0) 分类 罗马的崛起

Water is the

发表于:2019-01-02 / 阅读(189) / 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(118) / 评论(0) 分类 英语访谈对话

This is the VOA Special English Agriculture Report. A listener in Abuja, Nigeria, named Okorie wants to know more about fish pond farming. Bill Martin, president of Blue Ridge Aquaculture, with tanks of shrimp in Martinsville, Virginia Raising fish

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 VOA慢速英语2008年(十一)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(100) / 评论(0) 分类 自然百科2010年

AGRICULTURE Report – October 22, 2002: Aquaculture By Gary Garriott This is the VOA Special English Agriculture Report. Aquaculture is the production of food through the controlled growth and harves

发表于:2019-01-30 / 阅读(147) / 评论(0) 分类 农业与发展

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(130) / 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(155) / 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(158) / 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(158) / 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(173) / 评论(0) 分类 新西兰英语
学英语单词
agricolite (eulytite)
alkaline corrosion
alkaline permanaganate oxidation
anemone cylindricas
apochromat lens
arty-crafty
B.Cer.E.
balanced seal
bandwidth-hungry
betaines
bite my head off
blood-moneys
brightness meter
britanniques
brooklyn-based
bulk load
channel airlift
Chysauster
clingfishes
collector coupling
color-slide scanner
committals to writing
cookie sheets
cotoneasters
deastasum
derispia nanshanchiensis
diamine deep black
dielectrophore
dilogy
disjunctive conjunctions
divulgater
dominicas
dragonises
drugging
elevation coverage diagram
Englishment
F-Logic
ferroelectric varactors
Fibonacci Time Zones
free martin
french's
glandulae tubariae
Haljala
have no school
jessamies
legitimate inference
linked network
Lorentz-Fitzgerald contraction
low-capacitance probe
make a good fist of something
man-of-letters
manpower turnover
Mazoe
Meas/Vac(inactivated)
mill flow analysis
mobile sources
Morice L.
multi-station toolholder
multiple-point pencil
noise-balancing system
obstacle by passing
of the closet
ofserve
order Sarraceniales
parties of contract
Phyllochaetopterus
platform semi-submersible
posterior myocardial infarction
principles-based
procollagen-proline-2-oxoglutarate-4-dioxygenase
projectile shuttle
Protoopalina
pushed-down stack
re equipment
recording gas analyzer
retia vasculosa
retiro
rip fence
sebell
semilatus rectum
semirigid
serum cholesterol ester determination
Siluriformes
sizing frame
slide coefficient
smokables
standing factory
stripulose
subsurface stratigraphy
swathing-clouts
synthesis cycle
teratogenetic
thioridazines
thomas malthuss
thread grinding machine
tobacco downy mildew
tool factor
trays(dialysis)
trematoids
ultraviolet lamps
variegated tinamou