分段式多级离心清水泵

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(518) / 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(175) / 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(141) / 评论(0) 分类 VOA2003(上)-社会广角

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(166) / 评论(0) 分类 新东方背诵文选

听力文本 Recording 19 录音19 A. At the bottom of the system, there is a storage tank, which can hold up to 500 litres of rainwater. The water stored in the tank can be used for general gardening and cleaning. A、在该系统底部有个贮存水

发表于:2018-12-18 / 阅读(185) / 评论(0) 分类 走进剑桥大学

05Using the Restroom GLOSSARY restroom a public bathroom; a large room with one or more toilets and sinks* Do you know where the mens restroom is? mess disordered; unclean; not organized or neat* Your room is a mess! Please clean it up before your gr

发表于:2018-12-26 / 阅读(145) / 评论(0) 分类 2008年ESL之日常生活

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(128) / 评论(0) 分类 考研背诵50篇

Steve, are you a firefighter, too? Violet asked as they followed him. Yes, he said, wheeling himself through a side door. I used to be on active duty, until I was injured in an accident. Since then I havent been able to walk. So now I work in the off

发表于:2018-12-31 / 阅读(164) / 评论(0) 分类 56 The Firehouse Mystery

Water is the

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 知性英语

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(190) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

This is the second in a two-part intermediate Business English Pod lesson on the basics of socializing and networking. Last time you learned ways to start and finish a conversation appropriately. Today youll be studying how to keep a conversation goi

发表于:2019-01-18 / 阅读(168) / 评论(0) 分类 原汁原味商务英语播客

Engineer and inventor Martin Fisher has applied his passion for improving things to the challenge of eliminating poverty in rural Africa. As Maura Farrelly reports, his non-profit organization is transforming the lives of thousands of poor African f

发表于:2019-01-20 / 阅读(121) / 评论(0) 分类 VOA标准英语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(107) / 评论(0) 分类 自然百科2010年

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-01-30 / 阅读(210) / 评论(0) 分类 英语访谈对话

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(147) / 评论(0) 分类 趣味英语

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(171) / 评论(0) 分类 阅读空间

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 原版英语对话1000个

If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field

发表于:2019-02-19 / 阅读(155) / 评论(0) 分类 听播客学英语

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(178) / 评论(0) 分类 新西兰英语
学英语单词
accessory during the fact
ALBMs
anal side
anode cleaning
antiprotection
antiproteinase
Application for Tally
application-specific integrated circuits
ATC radar
bass-baritone
broad-sense
bromocaproic acid
bubble crowding
bump ... off
caducifolious
caisson base
calcium brine
center of momentum frame (cm)
Clarks Junction
coboes
columella nasi
confirmation note
continuous linear antenna array
corporate arrangement and reorganization
counterrecoil piston
data center management
demonax okunii
deplored
displacement therapy of nasal sinuses
dynamic theory of interest
electronic detent
emasculations
epoxy phenolics
euryoecious plant
face head attachment
Femerital
fetomaternal hemorrhage
frizzled up
fusolatirus kuroseanus
genus Sapindus
get the facts straight
gunnersides
harmonized
Hcptr
heart scintiscanning
heart-quake
hindrance function
homeograph
hoskings
hybrid sedimentation
hydrated soap
implied jurisdiction
initiation of flame
insurance advertisements
iron by hydrogen
jackstaffs
Karakuwa
las margaritas
light-diffusing window
limited-overs
lunatics have taken over the asylum
m. pharyngopalatinus
maliks
Marsdenia schneideri
monochloramines
moon's phases
nominally issued
optical fiber amplification
oxygen pressure
peroxophosphoric acid
persequent
rated lightning impulse withstand voltage
raung
reletter
repentable
ring-blocking test
saturn probe
sentencious
sesostris
shirin
soika
star-shot
strong terminating theorem
tacklebox
tapered tin
theocentricism
Tilemsi
tnx
Traditional IRA
traffle
tripentylamine
un-making
unfurrowing
unworkable concrete
vomiting in infancy caused by fright
wandering reach
water-cooled cyclone separator
watt-hour constant of a meter
whore-house
wood mosaic
ystrewed
zero setting knob