水防尘灯

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(178) / 评论(0) 分类 Scientific American(十二)月

ESL Podcast 1183 Air and Water Pollution Julia: Stop poisoning us! Stop poisoning us! Robert: Why are you picketing in front of this factory? Julia: This factory is polluting our air and water. Theyre responsible for contaminating the environment wit

发表于:2018-12-04 / 阅读(157) / 评论(0) 分类 2016年ESL之日常生活

旱灾的成因与影响 Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. At its most basic, a drought occurs when more water is used than isreplenished. It is a balance bet

发表于:2018-12-26 / 阅读(151) / 评论(0) 分类 自然百科2016年

Experiencing a Drought Fabian: How long do you think this drought is going to last? Lia: I have no idea, but Im not worried. I grew up in the desert. Not having enough precipitation was just a fact of life. Fabian: Yes, but people here arent used to

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 2015年ESL之日常生活

原文: Program Host: Hi and welcome to our new show, Exotic Animal Kingdom, a program geared toward introducing animals to the young and old. In today's show, our young, but experienced, guest will introduce us to the fantastic world of bearded dr

发表于:2018-12-28 / 阅读(143) / 评论(0) 分类 听英文对话做选择

Both Oslo and Stockholm are on the water, but they are not touched by the Gulf Stream, 奥斯陆和斯德哥尔摩都是海滨城市,但是湾流不经过这两座城市, so the water in their harbors is frozen over nearly all winter and ships ca

发表于:2018-12-28 / 阅读(117) / 评论(0) 分类 美国学生世界地理教材

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 idiosyncrasy [ 7idiE5siNkrEsi ] One of

发表于:2018-12-30 / 阅读(180) / 评论(0) 分类 每日攻克5词

Its signs are subtle and slow: the earth dries; water levels fall; the rains do not come; and the land is gripped by drought. At its most basic, a drought occurs when more water is used than is replenished. It is a balance between supply and demand,

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 国家地理2008年

太阳能电池板能通过自发电脉冲震落其灰尘,以确保最大限度的获得光照。 Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain.

发表于:2019-01-02 / 阅读(160) / 评论(0) 分类 60秒科学

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 60秒科学

考试日期: 2013 年 3 月 2 日 Reading Passage 1 Title: New Energy in USA Question types: True/False/Not Given; Flow Chart; Short Answer Questions 文章内容回顾 美国的一种新能源,关于从玉米中提取乙醇为燃料。 20060708旧

发表于:2019-01-08 / 阅读(198) / 评论(0) 分类 雅思机经

Mr. Rabbit Kills a Wolf One day all the beasts of the forest came to one place. All the big beasts came, and all the little beasts came. There were horses and cows and rabbits and foxes and ducks and mice and birds, and all the other living things. T

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 趣味英语

Todd: Ah, so Alan, you know, you were a baker so can you explain to the listeners: how do you bake bread? Alan: Well, you need, to make your basic white bread, white pan bread we call it, you need flour, yeast, sugar, shortening, salt, and water, so

发表于:2019-01-10 / 阅读(143) / 评论(0) 分类 原版英语对话1000个

DEVELOPMENT REPORT - Shining a Light on Water to Prevent Infections By Jill Moss / Broadcast: Sun, 11 Nov 2007 16:00:00 UTC This is the VOA Special English Development Report. Viruses, bacteria and other organisms in dirty water sicken hundreds of m

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Chapter 5 - The retreat From Smolensk the troops continued to retreat, followed by the enemy. On the tenth of August the regiment Prince Andrey commanded was marching along the highroad past the avenue leading to Bald Hills. Heat and drought had cont

发表于:2019-01-18 / 阅读(101) / 评论(0) 分类 有声英语文学名著

Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'

发表于:2019-01-20 / 阅读(126) / 评论(0) 分类 Scientific American(二)月

Many people were enjoying themselves in the park that Christmas day. A group of people were playing volleyball. All the tennis courts were packed. Some people were lawn bowling. Holding hands, Hugo and Kayleen walked all the way around the park. They

发表于:2019-01-27 / 阅读(123) / 评论(0) 分类 365个英语简短小故事

远离起床气 Don't Just Drink Water 不要只喝水 When someone is passed out in the movies, you may see someone dump some cold water on them, or even toss them into a running shower. 当有人在电影中的时候昏了过去,你可能会看到其

发表于:2019-02-16 / 阅读(168) / 评论(0) 分类 英语听力广播—Listening

Todd: Ah, so Alan, you know, you were a baker so can you explain to the listeners: how do you bake bread? Alan: Well, you need, to make your basic white bread, white pan bread we call it, you need flour, yeast, sugar, shortening, salt, and water, so

发表于:2019-02-17 / 阅读(138) / 评论(0) 分类 英语访谈对话

台湾籍旅美老师今天交给我们的句子是: Water left outside can also start growing algae and host mosquito larvae, which will make you sick and is gross to think about, but not as gross as thinking about the dust inside your house landi

发表于:2019-02-22 / 阅读(113) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
advances received account
anacid
arisaema dracontiums
Bacillus typhi murium
bacteria attack
bicolor gualac test
Bidens tripartita
bright pick
bug boy
cause-to-effect
cellulose sulfonate
chitlin circuit
coincidence resolving power
coldness in the late spring
condition(al) number
consortiums
counter-sues
covercharge
Covitol
Cucumis melo cantalupensis
cylinder scavenging system
cytolysins
Davalia bullata
de-designation
delete search
disbursement insurance
dog catcher
drowsily
drumfish
Ecker's plug
eedjit
electro-fishing
electromagnetic filter
epithelial cast cell
exact to the letter
exhausted enclosure
fish bank
foster-daughters
fuel oil distilled
gender differences
glencairn
gray atmosphere
Grigorovo
hands-freer
hazedroplet
hydrolytic polymaleic anhydride
impregnated granules
indica rice
inspection tables
instrument of execution
internal optical parametric oscillation
Internet metering
kabary
Kakus, Sungai
kilcline
kineplastics
little magazine
local-global connection
marined
medical-records
microcharacter hardness
micrococomposite
multipatch
nanosatellite
neechee
Omskiy Rayon
oscillator priming
oxyphobe
participation oil
pelvic capillary
polynomials
portland plan
posterior cephalic foramen
prolog programming language
pycnothecium
reckoning upon
reconsulting
rim latch lock
rising stage
rotary tippler
rumour mill
sandwich type wall panel
scale shape
seedeaters
self-destructor
Semi-Developed Nations
shut-down channel
shutter cap
spate flow
spring-summer
subconjunctival injection
sum pulse
supervisory keyboard
synthetic molding sand
system of macroeconomic management
systems of weights and measures
Taytos
time charges
volcanists
waschbusch
x-ray photographies
zeolite filter