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(394) / 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(145) / 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(247) / 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(198) / 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(161) / 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(281) / 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(96) / 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(90) / 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(119) / 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(134) / 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(145) / 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(138) / 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(124) / 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(185) / 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(161) / 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(115) / 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(123) / 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(119) / 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(191) / 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(113) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
a DD
aluminium welding wire
arteriae suprarenalis inferior
attf
backing bur
beusite
bidermoma
boat people
bouguer plate
breadth of size distribution
broken-foreland basin
Bīt'a
Cartwheel Galaxy
charge priming device
chocked
closing sleeve
coal-to-coke replacement
Collin's bleacher
contenu
controlled communication
cotton lamp wicks
cyanamide nitrogen fertilizer
cytokinin
decimal places
depth of the seat surface
dex
dub poetry
ejection period
electrostatic sorter
exanthemas
exposed stem correction
exquisite design
family Anomalopidae
fancy baked goods
fatten on
finanism
gage-pole
genus Pisanosaurus
ground telemetering station
halftone original
hartree
helix of cylindrical worm
hesperuss
high frequency pulse generator
high-leverage
hits the sack
hypha (pl. hyphae)
inquire display terminal
Kalakan
love match
Low-brow
luminaire for marine use
meningioma of craniocervical junction
mete sth out
Microsoft Volume Licensing
miliary body
mixed nuisances
Muslimoid
national gravity network
negative definite Hermitian form
Network Information Service
Nile red
noncicatricial
odder
oscillatory burning
overexploit
pace egg (england)
perry fruit
physically based
postal number
pot-net
prorocentrum minimum
public sector pay
purine antagonist
raw flax
red crab
refall
reference woman
refusable
reinspector
REJ
research station
reservoir volume factor
rounding error
scruples of conscience
spaceshifting
standard reference instrument
surface lapping machine
systematisation
tallow pot
temporary ground
tetrarchate
transient planetary wave
travelling wave aerial
tropical test
unairable
unbalance in foreign trade
unit of budget
Unterfranken, Regierungsbezirk
wrestling ring
wrought copper alloy
Yang-shao