液态水簇团模型

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(187) / 评论(0) 分类 Scientific American(十二)月

The mouthwash, mouthwash, (all one word) 漱口水(mouthwash),(是一个字) is a liquid like water, but it has something in it that helps clean your teethclean the inside of your mouth; that is mouthwash. 是像水一样的液体,但它含

发表于:2018-12-04 / 阅读(150) / 评论(0) 分类 ESL杰夫的一天

William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 火星生命

SCIENCE IN THE NEWS - All About Fireflies and Possible Liquid Water on Mars CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about evidence of liquid water

发表于:2018-12-07 / 阅读(178) / 评论(0) 分类 2011年VOA慢速英语(八)月

Cluster balloonists tie a bunch of helium balloons to a lawn chair, sit in the chair, cut the anchor rope, and go flying into the wild blue yonder. To land, they cut some of the cords attaching the balloons to the chair. A small group of daredevils h

发表于:2018-12-11 / 阅读(168) / 评论(0) 分类 365个英语简短小故事

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(240) / 评论(0) 分类 河北加拿大版初中英语

Model 3 The natural elements [00:02.99]自然环境 [00:05.98]Unit 1 Controlling fire Look and learn [00:09.12]控制火灾 看一看,学一学 [00:12.25]injured [00:13.68]受伤的 [00:15.10]cigarette ends [00:16.68]烟头 [00:18.26]Read,find and an

发表于:2018-12-17 / 阅读(273) / 评论(0) 分类 上海牛津初中英语七年级

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(二)月

[00:03.58]You will hear three pieces of recorded material. [00:08.15]Before listening to each one,you'll have time to [00:12.59]read the questions related to it. [00:16.25]While listening,answer each question by choosing A,B,C or D. [00:22.13]After l

发表于:2018-12-27 / 阅读(262) / 评论(0) 分类 最新版英语听力教程

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

发表于:2019-01-02 / 阅读(205) / 评论(0) 分类 火星生命

The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di

发表于:2019-01-07 / 阅读(149) / 评论(0) 分类 VOA标准英语2010年(八)月

For a long time, conventional wisdom said that we should drink eight glasses a day. 长久以来,一般观念都认为我们每天要喝8杯水, That estimate has since been fine-tuned. 但这个数据已被重新调整过。 Now, the consensus i

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 TED演讲教育篇

[ti:UNIT 4 Look into Science! Lesson 32: Unit Review] [0:00.000]UNIT 4 [0:01.873]Look into Science! [0:04.086]Lesson 32 [0:05.447]Unit Review [0:07.036]Ⅰ. Building Your Vocabulary [0:10.383]A. Fill in each blank with the proper word or phrase from

发表于:2019-01-09 / 阅读(355) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2008年(十一)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(158) / 评论(0) 分类 VOA慢速英语2007年(五)月

AS IT IS 2016-01-09 Trending Today: A Dramatic Owl Fly-By, a Sad Raccoon 今日趋势-一个低空飞过的猫头鹰,一个伤心的浣熊 This is Whats Trending Today Snowy Owl Fly-By Snowy Owls are native to the Arctic. But in the winter, they head

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(一)月

归纳拓展跟动名词作宾语的动词 考虑建议盼原谅(consider/suggest/advise,look forward to, excuse, pardon) 承认推迟没得想(admit, delay/put off,fancy) 避免错过继续练(avoid, miss, keep/keep on, practise) 否认完成停

发表于:2019-01-16 / 阅读(148) / 评论(0) 分类 英文语法词汇

French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃,再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

发表于:2019-01-17 / 阅读(165) / 评论(0) 分类 TED演讲教育篇

> 32 建造屋顶花园 DATE=6-5-01 TITLE=AGRICULTURE REPORT - Building Rooftop Gardens BYLINE=Bob Bowen (Start at 59

发表于:2019-01-30 / 阅读(267) / 评论(0) 分类 自然探索

Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(157) / 评论(0) 分类 英国学生科学读本
学英语单词
a square meal
a-west
aa. oesophagic?
agasthenes swezeyi
amman (rabbath ammon)
amphioxus
Bacterium sinuosus
batten flyline
Bayombong
Bessemer charge
breakage-pseudopolyploidy
brightness channel
Buorkes
bzzt
Carmelitan
carucated
ceara abyssal plain
choke disease
codify
company branch (telephone) exchange
conveyer system of the reactor
cosmopolitamism of plankton
cross-wise
cutting operation
database
dessert spoons
directing line
double-diffused phototransistor
drau
electrooptical countermeasures
entomophagous
Fannia scalaris
feigned diseases
feldon
Filipinism
flip-flop element
fornicommissure
fotive
frequency and amplitude modulation
geoneutrinos
greenstick fractures
grubbing winch
Hadιmköy
halfwitted
high blood
hopples
hukm
image translation
independent life
instrument board dial glass
KHIT
Klein's disease
L and D
lanate
local coefficient group
local scour
mardi grass
marine chemistry in coastal environment
mevalonates
mild detonating fuze
molecular symmetry
motorized scooter
Namecuna
nitri-
nodule phosphate
noise from clutter
nut locking device
offer more
omphalectomy
operating repairs
organization replacement chart
pardon my French
pebblesnail
Petaurista petaurista
petty captain
plating solution
pontcysyllte
pressure controlled weld
primary traverse station
pusill
real size
remandment
river quay
salad gel
Salvia kiaometiensis
seat only
serial search
ship owner's lien on cargo
shooting-iron
skipjacks
St-Crépin-de-Richemont
summer mastitis
svirel
sympathetic paraganglioma
think small beer of
to bite
tobacco ring spot virus
transformation analysis
vertical unions
volcanic shoreline
wash-fastness
will to live