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
acquisition of new business
additional burner
adhesive tension
agent of dilution
anconitis
associativeness
big yawn
biological wastewater treatment
bloaty
boiler brace foot
bruni
Ceratodon
chain program
Chung Tu
clop
Coatepec
Cocos Islander
Coggeshall
community resource
conditioned emotion
contract management
correction of frequency
counter-balance valve
cross-linked polyethylene
doost
dragon-flies
dual gate fet
efficiency parameter
epidermosis
Eton College
failure mode and effect analysis
false mud crack
family triakidaes
feadary
for each person
fork out sth
freight-traffic line
hardwired numerical control
help to
hemdon
hoopsnake
hydrophlogopite
impassibilities
infra-red microscopy
knob-like
literary metaphor
loan trust
low-voltage state
lower distribution plate
message control id
military recruits
misfalls
moisture gain
multilevel paging hierarchy
nary a cent
Necator
neonesidea yudyi
nozzle choking
paging out
parthenogenetic female
pentail
Picea crassifolia
piping geometry
radiance
reconnoiterings
recording wavelength
right handed moment
Saryshagan
scaro
sea-bell
search tuning
sensuosities
septennary
set of legible character
shear pole derrick
sillies
silvey
skeet skeet
somatomammotropin
Sorex palustris
southern anchovy
spider-wed antenna
stability at large angle
stock-core machine
substantial capacity rule
surloins
swangard
Swiss-German Sign Language
symbol system of account
symbolic program tape
tailstock quill
tethys seaway
to liking
transurethral resection of urethral valve
tubulo-glomerular feedback mecha- nism
unemployment reserve
unsoul
unsurpassably
viewing scree
went away for a fortnight
xstations