[网络] 炉水密度

So you think that by staying at home you are safe from all the terrible kinds of pollution present outdoors, such as in or near factories, roads, and garbage dumps? Do you think that by staying in you

发表于:2018-11-27 / 阅读(580) / 评论(0) 分类 赖世雄高级美国英语

THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

发表于:2018-12-04 / 阅读(66) / 评论(0) 分类 人教高中英语高二

浮游生物粪渣助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, they have learned that one of the most sensitive instruments could

发表于:2018-12-19 / 阅读(49) / 评论(0) 分类 VOA双语新闻 2015年10月

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2018-12-19 / 阅读(54) / 评论(0) 分类 英闻天下

The Norwegian people catch herring in nets, then they salt, smoke, or dry them to make sure they will keep almost forever without spoiling. 挪威人用网打捞鲱鱼,然后,用盐腌制、用烟熏制、或晒干风干,用各种方法保存鲱鱼

发表于:2018-12-28 / 阅读(81) / 评论(0) 分类 美国学生世界地理教材

NATURE'S NURSERY: ESTUARIES As the oceans are the source of life on earth, the estuaries are our planet's nurseries. An estuary is the body of water where a river meets the ocean. Salt water from the ocean and fresh water from the river mix together

发表于:2018-12-29 / 阅读(131) / 评论(0) 分类 人教高中英语高二

(woman) To us, the environment in which fish dwell often seems cold, dark, and mysterious. But there are advantages to living in water, and they have played an important role in making fish what they are. One is that water isn't subject to sudden te

发表于:2018-12-30 / 阅读(126) / 评论(0) 分类 托福听力短文

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 火星生命

The Properties Of Water Earth is an ocean planet.About three billion years ago,life on our planet began in the deep blue seas.Ninety-nine percent of the living space on earth is in the oceans.Marine life is incredibly rich and varied. There

发表于:2019-01-09 / 阅读(236) / 评论(0) 分类 高中英语听力人教版第二册

Natures Nursery: Estuaries As the oceans are the source of life on earth, the estuaries are our planets nurseries. An estuary is the body of water where a river meets the ocean. Salt water from the ocean and fresh water from the river mix together in

发表于:2019-01-09 / 阅读(271) / 评论(0) 分类 高中英语听力人教版第二册

海洋雪有助预测气候变化 As if materializing from a different dimension, the submersible device called PELAGRA slips below the surface and sinks into a research pool at the National Oceanography Centre, in Southampton, England. 位于英格兰

发表于:2019-01-14 / 阅读(93) / 评论(0) 分类 VOA标准英语2016年(一月)

ARI SHAPIRO, HOST: The National Museum of African-American History and Culture here in Washington has many artifacts connected to slavery. For one woman, visiting the museum this week was a literal homecoming. Isabell Meggett Lucas was born and raise

发表于:2019-01-17 / 阅读(63) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Some believe that massive underwater landslides or earthquakes can violently release gas from a substance called methane hydrate trapped beneath the sea bed. As its escaping bubbles rise, they lower the density of the surrounding ocean. The ship drop

发表于:2019-01-22 / 阅读(67) / 评论(0) 分类 自然百科2010年

It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the roots, kind of guided them through and netted them together. What they've done here is they've grabbed s

发表于:2019-01-22 / 阅读(82) / 评论(0) 分类 自然百科2010年

The more you know about the various heating systems that are available on the market today, the better able you will be to choose the best one for your home. Obviously, your main goal (besides being comfortable), is to have a heating and air conditio

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 实用英语

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(141) / 评论(0) 分类 英国学生科学读本

Water contamination has caught increasing attention among the Chinese public. Some have gone so far as to challenge local environmental officials to swim in a polluted river. Ma Jun has been an active environmentalist for more than 10 years. About ha

发表于:2019-02-14 / 阅读(60) / 评论(0) 分类 英闻天下

Oil and Water To understand the emulsifying process, we must first accept the scientific principle that oil and water do not naturally mix. Quite literally, they find each other's presence repulsive. A good illustration of this aversion is homemade o

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 双语有声阅读

Over the past six months, I've spent my time traveling. I think I've done 60,000 miles, but without leaving my desk. And the reason I can do that is because I'm actually two people. I look like one person but I'm two people. I'm Eddie who is here, an

发表于:2019-02-21 / 阅读(86) / 评论(0) 分类 英语语言学习

Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at

发表于:2019-02-25 / 阅读(83) / 评论(0) 分类 万物简史
学英语单词
air-fuel ratio
anacobra
angle measuring instrument
anteriolateral cordotomy
asayita (asaita)
available water supply
Berdaale
boiler plate bending machine
bonehead
bubble memory movement
climbest
cooperative joint venture
cuoco
Cyanidin-3-rutinoside
Dermocarpaceae
Devil's Gorge
didacticity
diesel-powered truck
digestive canal
digital differential analyser
dinotefuran
double-armed
drinkin
dune fixation afforestation
elephantine books
elevated shore line
enrichment meter
epiclast
Epstein apparatus
filipek
find fault in
floating reclaim
forced landings
fuel mixture indicator
gearbox output
Geisel
germany (deutschland)
gin guzzling
Girod furnace
glycinecin
goods turning rack
gouging electrode
Grodziczno
gumen
hermanniella punctulata
hierarchical directory structure
hyaline hyalin
hydraulic shearing device
i-thowen
insufficient disclosure
iron-coke ration
Kings Canyon National Park
laughing gas
linear inversion
lost chains
Manifold, C.
maximum and minimum
merchant seaman
metallized foils
MMULV-RT
motor tester
nearshored
Newhouses
non-radioactive liquid
pay for illness leave
pedestrian mall
pfui
prepurchasing
received and forwarded
relatively invariant measure
right ear
rookling
s-plane of stratigicat
seer hand
shoe repairer
sin-binneds
single-step switch
sosebee
sparsistent
species epithet
standardized function
stanyer
Stone Park
t-shaped complex
telesca
the Sally Army
total design concept
true colour unit
underapplies
uniformly elliptic equation
utilities system
variable phase shifter
vasilieva
vertical transportable retort
violent relaxation
viscoplastic fluid
vranov
waste bunker
when in Rome
whip snakes
YNK