un. 水域
[网络] 水体;水体模块

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(145) / 评论(0) 分类 初学者听力文摘精选

Health Crisis Grips Tripoli as Fighting Drags On Gun battles are only part of the health crisis emerging in Libyas capital, a city of one-and-a-half million people without running water. Central Tripolis Zawiya Hospital has modern equipment. It lacks

发表于:2018-12-16 / 阅读(109) / 评论(0) 分类 VOA标准英语2011年(八月)

This is the place where there is little food, where is little water and there are many many people. And many people are trying to get out of here out of the airports. You are seeing a lot of people lining up around there. They have been lining up her

发表于:2018-12-19 / 阅读(202) / 评论(0) 分类 CNN2013年(十一)月

In our heat index is water, the fountain of youth. We've all been shogging it all morning because one woman says she looks a decade younger thanks to drinking so much water. We've all heard it from some doctors but this woman really has pictures to p

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 万花筒2013年

When Michael Phelps is out of the water, he towers over mere non-Olympic mortals. Then he slips into the pool, and makes record-breaking speed seem effortless. His height, it turns out, is no accident. According to research published in The Journal o

发表于:2018-12-24 / 阅读(176) / 评论(0) 分类 Scientific American(七)月

Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其

发表于:2018-12-28 / 阅读(90) / 评论(0) 分类 初学者听力文摘精选

Drink to Your Health Since all living things need it, and it makes up two-thirds of our bodies, it seems obvious that water is vital to our health. Most people, however, drink fewer than the eight rec

发表于:2018-12-31 / 阅读(125) / 评论(0) 分类 有声英文阅读

Drink to Your Health 没事多喝水 Since all living things need it, and it makes up two-thirds of our bodies, it seems obvious that water is vital to our health. Most people, however, drink fewer than the eight recommended glasses each day. An alar

发表于:2019-01-02 / 阅读(99) / 评论(0) 分类 双语有声阅读

Signs You May Be Dehydrated From VOA Learning English, this is the Health Lifestyle report. Drinking enough water is important to our health. If we want to operate at our highest level and feel great both mentally and physically, we need to stay hydr

发表于:2019-01-03 / 阅读(119) / 评论(0) 分类 2018年VOA慢速英语(八)月

We want to take a closer look at just how extreme temperatures and humidity effect our bodies almost immediately, how our bodies try to fight back and keep cool. So ABC's Dr. Richard Besser actually put this to the test for us. Meet here this morning

发表于:2019-01-07 / 阅读(102) / 评论(0) 分类 万花筒2011年

Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies. 水几乎无所不在,从土壤水分及冰帽,到人体内的细胞。 Depending on factors like location, fat index, age, and sex, the average h

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 TED演讲教育篇

Fresh Water 淡水 Fresh water comes from ponds, lakes, rivers and streams. 淡水来自于池塘、湖泊、河流和溪流。 People use fresh water for drinking, farming and so on. 淡水可用于饮用、耕种等等。 People can only drink fres

发表于:2019-01-10 / 阅读(125) / 评论(0) 分类 与美国小学生一起学英文第3册

WHO Says Disease is Biggest Threat for Tsunami Survivors 世卫组织称疾病是海啸幸存者最重大的威胁 With millions of people in Southeast Asia living without clean water and proper sanit

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 VOA2005(上)--海啸灾难纪实

Fish Use Whole Bodies When They Eat Fish are animals that live in the water. They are also vertebrates animals that have a backbone and a spine. They have gills that permit them to take oxygen from the water. But have you ever wondered how vertebrate

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2015年VOA慢速英语(七)月

JUDY WOODRUFF: Just days ago, the EPA's new administrator, Scott Pruitt, promised an aggressive rollback of environmental regulations that had been put in place by former President Obama. The future, he said, ain't what it used to be. President Trump

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 PBS访谈社会系列

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

1.A US vessel seized by pirates off Somalia is now back in the hands of the crew after they retook control of the ship. But one person aboard the ship reached by satellite phone tells the AP the pirates are holding the captain hostage in a lifeboat.

发表于:2019-02-11 / 阅读(167) / 评论(0) 分类 美联社新闻一分钟2009年(四)月

Todd: OK, let's talk about hobbies. What do you like to do in your free time? Roe: You mean other than seducing ladies? Todd: Yeah, well, we might actually have women listen to this. Roe: Just joking. Just joking OK. I like windsurfing. That's my num

发表于:2019-02-16 / 阅读(113) / 评论(0) 分类 英语趣味课堂

A 12 metre fishing boat with nine people on board capsized in Foveaux Strait on Wednesday night around midnight. This was only an hour after it left Bluff near Invercargill. Nobody realized that the boat had capsized and sunk until 2pm on Thursday wh

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 新西兰英语

After Wednesdays terrible tsunami which killed at least 150 people in Samoa, help is needed. The country needs helicopters to find bodies in the sea and needs people to identify those bodies. Help is needed to care for the injured. The survivors need

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 新西兰英语
学英语单词
a little late
accretion disc
acetaldoxime
adduce evidence
advanced composites
an iron hand in a velvet glove
angle of deflection
antipublic
applied dosimetry
Bearsted
bled steam
bodmer
brains
burst blanking
butterfly effect, the
carbamoyls
carnels
Centaurium minus
cephalanthera rubras
chekol
chordoid
closing-out sale
congolais
contract note
danfei
deckside
Dog L.
donut
drugga-
dust pan
equivalence declaration
expansion cylinder
farglitazar
first-level message
geometric condition
governmental unit's share of assessment improvement costs
hand reaming
hard-packeds
Hebbronville
helicidum
homoerotics
Hufnagel'valve
illegal comparison of record
in-school program
incisurae pancreatis
indignados
is-even
juanes
karambit
lappa
lift angle
lifton
load-bearing wall
long-lived
Manganhydroxylapatite
Metallogenium
micro mist
mineral-corticoids
mixed interlock
MYD
national output accounts
neodevelopment
Nezperce
Niinimäki
of every sort and kind
open channel water model
outer antisubmarine screen
palmitoleates
petones
phenylethyl acetate
phonograph recording
physiological lethal gene
placental bundle
polycystic liver
polypropyleneterephthalate (ptt)
quasi-economic
ragly
random-noise voltage
rejection sampling technique
republicizing
resectabilities
rhombencephalography
satellite data communication
Septêmes-les-Vallons
shaft run-out
Slide-Wheel
smoking burner
smooth treatment of shock wave
sniffeth
sodium metabisulphite
spice modeling
stimulin-G
subcutaneous pedicle skin flap
surement
target object
unsaturated fatty hydrocarbons
wallpiece
weus
willow-weeds
working vehicle rate
yozell
zeuxis castus