硅酸纳

3.C.LISTENING: [00:07.60]Listen to the conversations.Put a check under the foods you hear. [00:15.75]1.A.Do we need anything from the supermarket? [00:22.52]B.Yes.We need a pound of apples,a bunch of bananas,and a head of lettuce. [00:31.16]2.A.What

发表于:2018-12-01 / 阅读(418) / 评论(0) 分类 SBS朗文国际英语教程 练习册 2

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(156) / 评论(0) 分类 口腔临床英语对话

UNIT 3 What's this in English? [00:06.40]Section A Activity 1b [00:12.15]Listen and circle the things you hear. [00:17.11]conversation 1 [00:20.77]A:What's this in English? [00:24.22]B:It's a ball. [00:27.38]conversation 2 [00:31.01]A:What's this? [0

发表于:2018-12-13 / 阅读(257) / 评论(0) 分类 新目标初中英语七年级

[00:04.60]sly small [00:06.97]a.狡猾的,偷偷摸摸的 a.小的;少的 [00:09.35]smart [00:10.78]a.漂亮的,潇洒的;聪明的,巧妙的,伶俐的v.剧痛,刺疼 [00:12.20]smash smell [00:14.72]v.n.打碎,粉碎 n.气味,臭味;嗅觉

发表于:2018-12-15 / 阅读(211) / 评论(0) 分类 考研英语词汇2005

美国很多居民小区都设有小区委员会,别看编制不大,权力可不小。我有个朋友Amy,她家的小区委员会管得就特别宽,从各家各户房子的颜色到院子护栏的风格,都要经过审查。Amy最近想架个

发表于:2018-12-16 / 阅读(177) / 评论(0) 分类 美国习惯用语

Unit 15 [00:03.21]We're trying to save the manatees! [00:07.26]SECTION A [00:10.32]1b Listen and circle the words in activity 1a that victor [00:18.26]and Ginny use to describe the animals. [00:52.90]2a Listen and match the words and definitions. [01

发表于:2018-12-17 / 阅读(291) / 评论(0) 分类 新目标初中英语九年级(全一册)

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(98) / 评论(0) 分类 Scientific American(九)月

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(134) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(142) / 评论(0) 分类 TED演讲科学篇

She was beautiful. She had a big smile and pretty teeth. I want to be her boyfriend, Mark thought. One day he saw her alone in a restaurant. She was eating fries and a burger. He wanted to join her. But he couldn't just sit down. That might be too fo

发表于:2019-01-22 / 阅读(156) / 评论(0) 分类 英文短篇故事(纽约)

Katie Couric: Samantha Heller is a clinical nutritionist at the New York University Medical Center and a contributor to Health magazine. Hi! Samantha. Good morning. Samantha Heller: Hi. Katie Couric:

发表于:2019-01-22 / 阅读(149) / 评论(0) 分类 访谈录

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(131) / 评论(0) 分类 经济学人科技系列

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(195) / 评论(0) 分类 英文语法词汇

So I promised a closer look at baking soda. It seems to be a huge resource for a lot of things. And you dont get much cheaper than $1 for a powerful cleaning agent. So here is my list of the top uses for baking soda. Some will seem familiar as we hav

发表于:2019-02-04 / 阅读(179) / 评论(0) 分类 阅读空间

A British adventurer is spreading his own message in a bottle by crossing the Pacific Ocean aboard an 18-meter catamaran made of thousands of plastic soda bottles. David de Rothschild's unusual boat is his way of drawing attention to the plastic poll

发表于:2019-02-05 / 阅读(126) / 评论(0) 分类 VOA标准英语2010年(七)月

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(137) / 评论(0) 分类 英语新闻

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(131) / 评论(0) 分类 VOA标准英语2008年(十月)

Mommy, my turtle is dead, the little boy, Myrddin, sorrowfully told his mother, holding the turtle out to her in his hand. The mother kissed him on the head, then said, That's all right. We'll wrap him in tissue paper, put him in a little box, then h

发表于:2019-02-18 / 阅读(206) / 评论(0) 分类 趣味英语

She walked up to the drink machine. She fed it a dollar bill. She pushed the button for a cherry soda. The machine buzzed. Then it said, We're so sorry. We cannot accept your money for this product. It has calories, and you are overweight. Please sel

发表于:2019-02-22 / 阅读(126) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
acaulium disease
actuarial imbalance
adhesion ecology
alcoholometry
arch profile
artificial colo(u)r
assured
atmospheric pipe still
back filling
Bekaptan
benights
benzaldehyde spirit
biliary apparatus
biparty
bitesize
Borzechow
bucked for
butyl carbitol formal
case lawyer
chain grip jockey
Cicuta virosa L.
coefficient of heat perception
commercial bureau
compound discounting
Cremanthodium nepalense
customs decision
dairy herd
Day of judg(e)ment
deconcatenation of string
degrande
desertic
diodora octagona
disinflate
estimate premium income
four-masted bark
gain programmed amplifier
giant hogweed
ground grain hulls
holds back
hughlis
imagee
imagineth
Indiana University
internationally-known
ionicity
irrational impulse
Lane's Prince Albert
Leciňena
make a concession to
mandatory instruction
Member of Parliament
minimum risk estimation
monothalmic
nephrotuberculosis
non-adapted nozzle
nondrip spout
Oligotrichina
ondy
over-leveraging
P-agglutiongen
parallel veins
parallel-current drier
payrolls
perfectness
pest upon someone
Philippsheim
polyarenes
propidiums
prosopolepsy
quadrature -axis component of synchronous generated voltage
raw-water
reality engine
reticuloceratid
Retzius'fiber
Répcelak
sampling pipe
San Saba
scuttlebutt
SFC Code on MPF Products
shallow flight worm
showy orchiss
solid schmidt telescope
southeasts by south
spdt (single pole double throw)
special stock
stays behind
stem-loop
subtractor
tekeks
thermistor detector
tosc
tugging and slackening
tung tung
twin-engine airplane
unearns
V-twin
visco
Vittinge
water-rail
wedding-goer
zepto-grams
zero heat transfer