珐瑯质含量

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(284) / 评论(0) 分类 阅读空间

Unit 13 The Culture Content of Vocabulary One of the earliest word sets that a student will learn is colors. Later on the intermediate student learns that in English yellow signifies cowardice and green signifies inexperience and jealousy. It is impo

发表于:2018-12-04 / 阅读(166) / 评论(0) 分类 英语流行话题阅读:语境识词4500

AS IT IS 2014-12-25 Robots Go To Work for Dentists and Patients For years, robots have helped doctors perform operations with greater safety, speed and exactness than by using hand-controlled instruments. Now, one such machine reduces the time it tak

发表于:2018-12-08 / 阅读(233) / 评论(0) 分类 2014年VOA慢速英语(十二)月

Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. For our series This I Believe, we receive thousands of essays from young people. Today we hear from one of them. Kamaal

发表于:2018-12-19 / 阅读(194) / 评论(0) 分类 2007年NPR美国国家公共电台

台湾籍旅美老师今天交给我们的句子是: I have a dream,that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character. 我有一个梦想,那就

发表于:2018-12-25 / 阅读(171) / 评论(0) 分类 留美老师带你每日说英文

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(167) / 评论(0) 分类 断背山

Facebook published detailed guidelines Tuesday for what users can and cannot post on the social media service. Earlier this month, lawmakers called on Facebook chief Mark Zuckerberg to appear in Congress. They demanded that his company take more step

发表于:2019-01-03 / 阅读(195) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(230) / 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(162) / 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(127) / 评论(0) 分类 VOA慢速英语2007年(三)月

Two-week conference aims to achieve legally binding agreement to cut greenhouse gas emissions and has been billed as last best chance to clinch a deal. Sonja Pace | London 04 December 2009 Smoke is seen emitted from a chimney of the cooling towers of

发表于:2019-02-05 / 阅读(167) / 评论(0) 分类 VOA标准英语2009年(十二月)

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(185) / 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(162) / 评论(0) 分类 阅读空间

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(154) / 评论(0) 分类 中英双语新闻

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(142) / 评论(0) 分类 万物简史

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(176) / 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(180) / 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(143) / 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(138) / 评论(0) 分类 英文语法词汇

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(256) / 评论(0) 分类 实用英语
学英语单词
a. gastroepiploica sinistra
anal foot
anonymous class
area signal center
Asiacanthus
autotracking unit
axial blood vessels
bandknife cutting machine
batch depth
be interested in
bilingual alignment
Carroll, Charles
cavum pleuroperitonei
Cheonghakdong
citromycetin
cogwheels
cooperative piggery
copernik
couranteer
crossflow cooling tower
cyano group
depot phenomenon
dielectrictarget
drag queens
educative purpose
emilka
energy sources
Euphagus
eurhythmia
expunges
fafiated
faillie
ferdinand iis
genitocrural nerve
get a hold of
goose cr.
gridvoltage
halinitre
heavy chain
Hitler, Adolf
hos
If you wish for peace, be prepared for war.
Impatiens extensifolia
indirect evaporator
infralateral tangent arcs
instrument
interaxial
interfacial adhesion
intraoral tracer
intrinsic infrared detector
Jaipuri
jarra
katallober
kernel kerr cell
landlocked basin
late-model
less-than match
magnesia blythite
magnetars
masturbation
meridian circulation
movement weight
muck removal
Ness, River
non-cash outlay
not carry
NSDC
object of adjudication
oxido-reduction
oxygen-enhanced combustion
p-amino-azo-benzene
paranystagmus
permissive block
pet peeves
Preesall
pro-osteon
programmed request conversion
pseudomonas petasitis (takimoto) savulescu
Qabri Baxar
radially varying inflow
real-time computer programming
red herring issue
revegetated
rouen duck
sapphire
self-conceptions
sodium acetyl-anthranilarsenate
sympath(et)ico-
synzoochores
São Marcos
tavares
toothed rack
turbine building
twenty-sixes
uncollapse
Ust'-Port
video overlay
vincaine
Waipara
wastes of energy
wire-loop fins
worm reducer