[机] 硅酸钠

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(500) / 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(213) / 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(310) / 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(281) / 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(239) / 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(350) / 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(138) / 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(136) / 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(184) / 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(189) / 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(194) / 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(179) / 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(186) / 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(240) / 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(234) / 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(164) / 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(185) / 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(192) / 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(240) / 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(162) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
A.C. generator
adsorption filtration
aerophytobioint
Aleksandǔr Voynov
Amomum mengtzense
antiblue
aromatisation
Banbury story of a cock and a bull
base line triangulation
Capparis henryi
cardiac nerve (or cardiac branch)
case packing
cinder reinjection
coaxial fixed direction-coupler
cokins
commerical department
contribution to profit
crouch down
day-to-day
deck of cards
direct-action headline
dosage of inoculation
E-rosette
eightpenny
extension of bracket
extra dense flint
extra-vascular hematopoiesis
flagstone walk
Fuck it!
ghadames
golden-banded caesio
groupmine's coal preparation plant
gumless
harricot
Hermitage B.
iridescent altocumulus
jeep cherokee
Kakindu
karst well
leatherleaf wood ferns
longebeff
marine gasoline
mediumsized artery
membranous layer
mine attack
minimum stock
mock up test
monochrome camera
multi-functional transport satellite
multi-operator arc welder
N-substituted amide
naramycin A
naucrary
networked multimedia
NIW
nyntene
open annealing
ophritis
Orford Ness
outrigger gear
overbattered
Pandanus fascicularis
papae
physiologic drunkenness
pileuss
plastic acetate
power take-off shield
preliminary ada
prime attribute
project-relateds
reliable quality
riding comfort
rotation skin flap
safinas
self-compensating pro-peller
shammes
shunt winding parallel winding
slew test
spent fuel assembly storage rack
sphaerosporella taiwania
spiny palm
split sprocket
Stary Oskol
Stasik
steam-spraying
sterling bill
Strasse
strength-sapping
stress singularity
sun bathings
thermoplastic puff
three-axial tensile test
throw down one's tools
to make a long story short
to take a leaf from someone's book
twirps
undecryptable
uresti
value calculation
volume of trade
winter draft mark
Zagorsk