n. 【化】一元酸
[网络] 一价的;单价酸的;一酸价的

M: Hi Benjamin. My name is Dr. Green. What seems to be the matter? B: I've been feeling pretty ill for a few days now. M: what are your symptoms? B: I feel chilly, I've got cramps, I keep throwing up, and I feel dizzy and tired. M: it sounds like you

发表于:2018-11-30 / 阅读(211) / 评论(0) 分类 生活英语情景口语

Japanese engineer Masaaki Nagumo had always dreamed of operating a robot from Mobile Suit Gundam. 日本工程师南云正章(Masaaki Nagumo)一直梦想着操作《机动战士高达》中的机器人。 That is the name of a popular Japanese an

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 2018年VOA慢速英语(四)月

Todd: OK, Hisa, why don't we talk about food? 希莎,我们为什么不谈谈食物? Hisa: Good. 好的 Todd: OK, first of all, actually, can you cook? 首先,你会做饭吗? Hisa: Yes, I can. 是的,我会。 Todd: Yeah. What can you cook

发表于:2018-12-18 / 阅读(131) / 评论(0) 分类 实战口语情景对话

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(四)月

From VOA Learning English, this is the Health Lifestyle report. Nearly 790 million people around the world do not get enough to eat. Most of them live in developing countries. Many parts of the developing world do not have transportation systems in p

发表于:2019-01-02 / 阅读(194) / 评论(0) 分类 2017年VOA慢速英语(六)月

Japanese engineer Masaaki Nagumo had always dreamed of operating a robot from Mobile Suit Gundam. 日本工程师南云正章(Masaaki Nagumo)一直梦想着操作《机动战士高达》中的机器人。 That is the name of a popular Japanese an

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 2018年VOA慢速英语(四)月

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 医务英语

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(九)月

By Paige Kollock Washington, DC 20 January 2006 watch Malaria Treatments report The World Health Organization says the most effective cure for malaria could be in jeopardy, unless their new prescripti

发表于:2019-01-10 / 阅读(167) / 评论(0) 分类 2006年VOA标准英语(一月)

Southern Sudanese officials say at least 30 people have died in clashes along the border with northern Sudan as the second day concluded in the region's week-long referendum on independence. Election officials say voter turnout was 20 percent on Sund

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2011年(一月)

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

发表于:2019-01-17 / 阅读(131) / 评论(0) 分类 TED演讲教育篇

AGRICULTURE REPORT - Scientists Clone Pigs to Make Omega-3 Fatty AcidsBy Mario Ritter Broadcast: Tuesday, April 04, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Scientists s

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 2006年慢速英语(四)月

英语里你不知道的几个小秘密 The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO。 The oldest word in the English language is t

发表于:2019-02-04 / 阅读(165) / 评论(0) 分类 实用英语

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(223) / 评论(0) 分类 英语学习方法

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

发表于:2019-02-09 / 阅读(217) / 评论(0) 分类 英语小短文

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(116) / 评论(0) 分类 万物简史

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(388) / 评论(0) 分类 阅读空间

Today I am going to teach you how to play my favorite game: 今天我要教你们怎么玩我最爱的游戏: massively multiplayer thumb-wrestling. 超级多人拇指摔跤 It's the only game in the world that I know of 这是我所知的唯一一个

发表于:2019-02-21 / 阅读(184) / 评论(0) 分类 TED演讲教育篇

1. The shortest complete sentence in the English language consists of only one word and that is Go. 英语里由一个单词组成的最短的完整的句子就是GO. 2. The oldest word in the English language is town. 英语里最有年头的一个词

发表于:2019-02-25 / 阅读(191) / 评论(0) 分类 英文语法词汇
学英语单词
'Ajlūn
abrasive lapping machine
adygeys
after burning period
agitation granulation
ansi fortran iv
atelene
available line
beat frequency oscillator
bend signal
bung off
chain decomposition
Chlobenamide
chucked it down
cissplain
coadunation
communication sound
computer seusitive language
concept of non-reciprocity
correction date
course pickup
cristae frontalis
cryophobia
cryosequester
dialing into
diazo-ketones
diplopia
dual channel office
earthquake effect
electric illumination
electronic guitar
equalization of incidence
federal maritime commission
fingers motion
fit out
follower plate
foreign-government
gross blunder
hair shaving
henningham
Hudsonia ericoides
hundees
Hvalvatnsfjördhur
imidogen
instruction for installation
internal data
knf
kurcheine
local hot-cell factor
Maddenia wilsonii
make restitution to
Massacre of the Innocents
mcwhirter
mesh emitter
multiple window channel method
needle electrode
neuropteras
orchematical
overlay generation language/370
oxy-5-hexylquinone
ozone therapy
paddle blade propeller
pauce
photo-magnetograph
plastoscope
polyurias
postinfective fistula of small intestine
potentalla flagellaris willd.
pre-requisites
prevaccine
pycnotic
quaestio juris
radio ceramics
reference beam
rudder heel bearing
rycotes
saint georges
sampling skew
securicors
self-imposed
shivling
Skebokvarn
spics
spiral crisscrossed fiber
spreading hopper capacity
strong-arm provision
superlie
sycopsis tutcheri hemsl.
synthetic seismograms
telenursing
There they are
time read
toilet powder
two row potato planter
two-pass grate
unloaded mechanism
unsteady aerodynamics
vestibular sense
virtual mentoring
wjff
yin shan yai hua chung wu tzu t'u
zabaiones