un. 化学方程式;化学反应式;化学反应方程式
[网络] 公式

帮助学生做数学题的手机应用 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assignments get more complex, few parents are qualified to assi

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 VOA标准英语2015年(七月)

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(259) / 评论(0) 分类 2016年VOA慢速英语(十)月

1. a little bit,有点,有几分。 eg:Move over this way a little bit. 往这么挪一挪。 2. confusing,令人困惑的,让人容易混淆的。 eg:I see a lot of students stretching and so on, so it is very confusing for me. How do we solve the

发表于:2018-12-18 / 阅读(182) / 评论(0) 分类 蒋健棠教你听英语广播

今天我们要学习的是大家期待已久的课后功课根据中文完成句子的精讲,从而使我们更好的掌握hit sb right between the eyes这个习语的运用。 我们来看看题目。中文句子是我敢打赌,我在这些方程式

发表于:2018-12-27 / 阅读(159) / 评论(0) 分类 英语早间课堂

Lesson 24(第一讲) 2. Let us suppose that Mary hit John right between the eyes, what will he do? It's no doubt John wants to spend all his time with her and get to know about her better.我们假定John对Mary印象很深刻,John会如何呢?

发表于:2018-12-27 / 阅读(122) / 评论(0) 分类 英语早间课堂

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 英文杂志-Magazine

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(190) / 评论(0) 分类 2018年VOA慢速英语(五)月

许多人都曾经说过, 英文要讲得好, 就一定要先学会用英文去思考. 因为英文和中文的词性相差太多, 所以许多英文字汇和中文之间并不是有一对一的对应关

发表于:2019-01-03 / 阅读(221) / 评论(0) 分类 小笨霖英语笔记

By Steve Herman Bhopal, India 08 January 2008 Dow Chemical, the world's second-largest chemical manufacturer, is facing difficulties trying to expand in India. The company is haunted by the 1984 leak of methyl isocyanate, one of the most lethal chemi

发表于:2019-01-07 / 阅读(230) / 评论(0) 分类 VOA标准英语2008年(一月)

Free Smart Phone App Helps Students With Math 费的智能手机APP可以帮助学生学习数学 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assig

发表于:2019-01-14 / 阅读(147) / 评论(0) 分类 VOA标准英语2015年(三月)

Every year on the beautiful Lindau island of Lake Constance, some of the best of the worlds young scientists meet Nobel Prize winners. As it turned out, this meeting of physicists was a true meeting of minds. And so native created five new films expl

发表于:2019-01-22 / 阅读(161) / 评论(0) 分类 自然百科2010年

There were apparently nonsensical structures of space and time, spat out when Albert Einstein's equations weretaken to their extreme conclusion. Einstein's theory of relativitydoes lead us into very strange and unfamiliar paths. Einstein himself didn

发表于:2019-01-23 / 阅读(177) / 评论(0) 分类 探索与发现2015年

1994年度的诺贝尔经济学奖,授予美国普林斯顿大学数学系的纳什教授等三位对博弈论作出奠基性贡献的学者。好莱坞大制作《美丽心灵》A Beautiful

发表于:2019-01-28 / 阅读(177) / 评论(0) 分类 阅读空间

Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho

发表于:2019-02-02 / 阅读(161) / 评论(0) 分类 阅读空间

Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right

发表于:2019-02-07 / 阅读(174) / 评论(0) 分类 好听的英文歌曲

音乐+爱情的化学反应:Chemical Rush Artist:Brian Mcfadden Song:Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 流行英文歌曲

音乐+爱情的化学反应:Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush,稍微有些中规中矩,和专辑中电音味道更重的歌比起来,有些收敛

发表于:2019-02-18 / 阅读(189) / 评论(0) 分类 英文摇滚歌曲

台湾籍旅美老师今天交给我们的句子是: Watch and outline your answer before you go in and so that you can answer clearly, concisely and with confidence. 在你进去面试之前,先练习概述答案,这样你才可以有回答地清

发表于:2019-02-21 / 阅读(162) / 评论(0) 分类 留美老师带你每日说英文

He bought a DVD player. He went home. He unplugged the old DVD player from the living room flat-screen TV. He hooked up the new player. He plugged the old player into the 10-year-old TV in the bedroom. His wife came home. She said, Why didn't you jus

发表于:2019-02-22 / 阅读(150) / 评论(0) 分类 英文短篇故事(纽约)

Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right through my bones Keep coming

发表于:2019-03-02 / 阅读(208) / 评论(0) 分类 英文摇滚歌曲
学英语单词
Apostomatidea
Arabic numeral
attitude geometry
bachas
Balintang Chan.
bendis
bicycle race
bifasciatum
bin home switch
biomedical infrared imaging
calciprivus
caldecrin
CASREP
concentrate pump
condenser-reboiler
congresscritter
contopus virenss
control synchro receiver
covit
cyclohexanecarboxamido
data base of parcel
devolution of intestacy
displacement diagram
do a nose dive
double-edge nails
drain valve access
emergency system
ENAP
etwee
faradisms
free-skiing
free-versest
geostrophic vorticity
girllove
golille
Grifa
halogen vapour
hard-gas circuit-breaker
hoodwinker
hydrogen sulfide (h2s)
international altitude
jell(y)
Kaili
kieselguhr
kyron
labile pulse
leaflike
line conditioning
lipoic transsuccinylase
loaded up with
local signal box
mandibular lingula
medulla nephrica
medullarenis
metformin
Mivacurin
monkey flower
mother ship of submersible
neonatal hemolytic disease
neonauclea reticulata
non-exclusive and non-transferable right
North German Confederation
pacific ocean perch
Perognathinae
Phalaenopsis mannii
pickling cycle
pycnostachya
quinidine lactate
reformer desuperheater
ripoll
robbyng
Rājim
S-dimethylarsino-DL-penicillamien
Savonarola chair
sclerocyclotomy
scolecoid
secondary tympanic membrane
seed growth
single ended output
somatic reflex system
sprinkler nozzle
SSBNs
state trading country
statelets
sterilized fennel
submarine signal apparatus
telephone tinnitus
the Inns
thisted
triploids
truck end sill
ture fruit
ulnar vein
unfoldome
vapour injection process
Vastazin
walzel
Wiemersdorf
XOR1
zoom altitude