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(257) / 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(160) / 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(166) / 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(188) / 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(165) / 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(223) / 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(194) / 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(201) / 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(161) / 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(201) / 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(167) / 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(163) / 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(171) / 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(201) / 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(273) / 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(268) / 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(163) / 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(418) / 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(225) / 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(230) / 评论(0) 分类 英文语法词汇
学英语单词
absolute resolution
aimless drainage
American Society of Mechanical Engineers
anepigraphic, anepigraphous
angiodysplasias
asamayama
at a moment's notice
atasis
axial deformation
backfilling
Balochi language
be answerable for sth
Beregdaroc
body-beautiful
caretaker-manager
chinacrine
Chinese red wine
chirpinesses
cholanthrenyl
corslet
crack initiation life
deerburger
delay element
Dimenest
Donovans Corner
drewries
electronic level control
email authentication
executory use
expellant bag
family soil
fan palms
Flintville
float type rain gauge
fly-cut
free standing fuel element
frills
gas monitoring
Gold Cup
hepatic left lateral lobectomy
hetaerism
high-tensile steel bars
hojas
holata
ice icing
inefficient insecticide
infang
intensity modulated beam
interchange price
ISWYM
john wyclifs
kinky hair
law of persons
leukopsin
lingual titubation
Mariolaters
Masalaka, Kep.
melbine
methyl trichlorosilane
monkey board escape
most-successful
multiring file
national railways
Nino1poterin
nose tackle
off-hook
offer lessons to
Oratrol
oryctology
overcompensations
oxide colo(u)r
pancreatic diverticula
philanderer
poultry-dung
Poynting flux
pre-placement
pressure stroke
prone horizontal arm lift
purkinje networks
radioactive series
radiodontologia
red-letter day
reforwarding
required precision
reskinnable
sacred ways
satisfiability
semi-permanent store
silicon envy
soy milk maker
state of art
substernal nontoxic goiter
synthetic petroleum
tasting-room
Therevac
Tregaron
triple deck
twisted pair transmission line
unappealing
uncalibrated attenuator
viravaidya
vulpinite