搪瓷氧化物

If you look up 'tea' in the first cookery book that comes to hand you will probably find that it is unmentioned; or at most you will find a few lines of sketchy instructions which give no ruling on several of the most important points. This is curiou

发表于:2018-11-29 / 阅读(142) / 评论(0) 分类 阅读空间

Ennis Del Mar wakes before five, wind rocking the trailer, hissing in around thealuminum door and window frames. The shirts hanging on a nail shudder slightly inthe draft. He gets up, scratching the grey wedge of belly and pubic hair, shuffles to the

发表于:2019-01-01 / 阅读(66) / 评论(0) 分类 断背山

Very happy and we feel we are one together - young teachers heroic feelings, My name is Ling, graduation Yidu teacher. I was crying my choice too, have work for me sad too, because I embarked on a career like I did not do a very poor teacher, I cry m

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语演讲

Human Teeth 人的牙齿 Teeth are the hardest thing in the human body. 牙齿是人体中最坚固的东西。 They are not made of bone. 它们不是由骨骼构成的。 They are made of enamel, gum and so on. 而是由牙釉质,牙龈等构成的

发表于:2019-01-10 / 阅读(81) / 评论(0) 分类 与美国小学生一起学英文第2册

This is the VOA Special English Health Report. It might seem hard to imagine that a bad tooth could be deadly. More than 41,000 students in the Philippines brushed their teeth at the same time last month to set a world record, organizers said. The r

发表于:2019-01-11 / 阅读(55) / 评论(0) 分类 VOA慢速英语2007年(三)月

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(136) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(103) / 评论(0) 分类 TED演讲教育篇

It's not exactly a newsflash that one of the most important reasons to brush your teeth is to fight off cavities (not to mention prevent bad breath). But what if the way you brush your teeth actually makes you more susceptible to cavities, tooth deca

发表于:2019-02-07 / 阅读(59) / 评论(0) 分类 阅读空间

Countless arguments have been waged over the superiority of one beverage over the other. But what does the scientific evidence say? 关于这两种饮料孰优孰劣的问题已经引发了无数争论。但是科学证据是怎样的呢? George Or

发表于:2019-02-13 / 阅读(79) / 评论(0) 分类 阅读空间

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(139) / 评论(0) 分类 英语新闻

Venezuelan police have fired tear gas at thousands of opposition protesters in the capital Caracas who blame the socialist government of Nicolas Maduro for the country's economic crisis. Police arrested several people and blocked roads to prevent the

发表于:2019-02-14 / 阅读(58) / 评论(0) 分类 中英双语新闻

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(94) / 评论(0) 分类 天天商务口语

20 Small World 第二十章 小生物的世界 It's probably not a good idea to take too personal an interest in your microbes. 要是你对身边的微生物过于在意,这很可能不是个好习惯。 Louis Pasteur, the great French chemist and

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 万物简史

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(83) / 评论(0) 分类 英语新闻

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(82) / 评论(0) 分类 英语新闻

It's well known that foods high in sugar and salt are dangerous for the waistline, but they could also be ageing your body much faster than you realise. 众所周知,吃高糖类和高盐类食物会有发胖的危险,但是这类食物加速身体

发表于:2019-02-18 / 阅读(100) / 评论(0) 分类 阅读空间

Big Red The first time we set eyes on Big Red, father, mother and I were trudging through the freshly fallen snow on our way to Hubble's Hardware store on Main Street in Huntsville, Ontario. We planned to enter our name in the annual Christmas drawin

发表于:2019-02-18 / 阅读(65) / 评论(0) 分类 阅读空间

1. Computer 1.计算机 Computer goes back over 400 years. Computer referring to the electronic device (or system of devices) which is used to store, manipulate, and communicate information isnt found until the 1940s, but computeras a machine for per

发表于:2019-02-20 / 阅读(60) / 评论(0) 分类 英文语法词汇

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(131) / 评论(0) 分类 万物简史

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(160) / 评论(0) 分类 实用英语
学英语单词
a great deal of
aeronautical mobile-satellite service
Alabama claims
alpamayo
amtifertilizin
annual ring breadth
apodicticity
Aristotle
axis of channel
balancing condenser
belewe
bevered
blastophorum truncatum
capr-
carrier frequency shift
comptonia peregrinas
continuation of solutions
counter current eletrophoresis
design H-point
dim down
dissimilar redundancy
distributed information processing
DIVC
drop out of sight
dull as ditchwater
eagle boat
eating it up
electromagnetic compatability
equivalent noise method
ex-role behavior
face and fill
floating gate
floating pump assembling unit
forum leader
Franz Schubert
galeopithecids
grace period for the payment of fees
grandifolius
gurly
gyropraph
Haebang
healing time
hickups
ideker
impulse-withstand test
interfrontal bristle
issuing authority note
jellium
jointweeds
kooky, kookie
L-cells
Lepidosigillaria
Lolipid
loss of faculty
malthinus (malthinus) notsui
mat type
matsucythere reticulata
metacarprophalangeal
metaemotions
metallized aluminum
mini-Winchester disk drive
national capitalism
net processor
non-ischemic
nonmonitored
nucleolonema (estable & sotelo 1950)
obstropolos
oha
oubliette
percentage indicator
pitous
PSNC
Reitano
Rhododendron huguangense
rubble filling
sagittata
scathophaga mellipes
separate channel signaling
shifting wrench
slot diffuser
social-ism
solvated H-ion
space-loop direction-finder
special constable
spectral-shift reactor
square turret
sroka
statelier
stock clearing account
stress cracking resistance
sugarplums
suntanned
superior cubitoradial articulation
tabular actual
thruple
trinketed
two single ended siding
unit record equipment
urodele
veurne (furnes)
Wigtown
wrongtook