三氯二苯脲,三氯苯脲

发表于:2018-12-02 / 阅读(171) / 评论(0) 分类 英语口语1+1

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

发表于:2018-12-19 / 阅读(114) / 评论(0) 分类 英语PK台

Cloze: Stingers of the Sea 海中刺客 ── 水母 Given impressive-sounding names like Portuguese man-of-war, jellyfish are certainly respected and feared by humans. Not exactly a fish, and lacking a spine, this creature has a single body cavity

发表于:2019-01-02 / 阅读(132) / 评论(0) 分类 双语有声阅读

In the English language, putting two -ing words together often is not only natural but correct. Listen to an example: Ive been avoiding going to the doctor. In todays Everyday Grammar, we will look at examples of when two or more -ing words appear ne

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 2018年VOA慢速英语(三)月

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain. In a report in the Proceedings of the National Academy of Sciences, researchers studied how junk food can trigger ad

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(十一)月

Neko Case生于美国弗吉尼亚州,但她童年的大部分时光却是在华盛顿度过。在15岁那年离开了父母,一个人出去打拼。三年之后,开始在多支朋克乐队担任鼓手。 歌曲:Nothing To Remember 演唱:Ne

发表于:2019-01-11 / 阅读(89) / 评论(0) 分类 美国乡村音乐

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(367) / 评论(0) 分类 2010年慢速英语(二)月

By Jim Teeple Ramallah 23 January 2006 Politicians in the Palestinian territories wrapped up final day of campaigning Monday, ahead of crucial vote Wednesday to elect new legislature Politicians in th

发表于:2019-01-13 / 阅读(224) / 评论(0) 分类 2006年VOA标准英语(一月)

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 VOA标准英语2010年(六)月

The State Department said Thursday an agreement for the start of direct peace talks between Israel and the Palestinians is close to completion. The deal will apparently be sealed by statements from the United States and the International Middle East

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2010年(八)月

Business 商业 An intellectual-property exchange 知识产权交易所 Marketplace of ideas 创意市场 A new financial exchange hopes to make it easier to trade patent rights 一个崭新的金融交易所希望让专利权的交易变得更容易

发表于:2019-01-26 / 阅读(94) / 评论(0) 分类 经济学人商业系列

Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last

发表于:2019-01-30 / 阅读(241) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Diet News / Big Plans for Losing Weight / New Drug for Malaria By Broadcast: Tuesday, June 01, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sa

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 科技之光

The case for prenuptual agreements may have just gotten stronger: According to a new survey by credit-tracking company Experian, 16 percent of newlyweds admit they are hiding a financial account from their spouse. 婚前协议的案例与日俱增。信

发表于:2019-02-01 / 阅读(102) / 评论(0) 分类 实用英语

VOICE ONE: Many people who try to lose weight know that no diet is perfect.But two new studies show that a diet low in carbohydrates can cause faster weight loss than a diet low in fats. This was true at least in the short term. Researchers published

发表于:2019-02-06 / 阅读(131) / 评论(0) 分类 英语杂谈

There are lots of different diets. On of them is called the low-carb diet. If you were on a low-carb diet you would eat... 节食方法有很多种,有一种叫做低碳水化合物饮食,若你就是这种情况,你会吃什么呢? a) less fish b) less pasta(意大利面条) c) les

发表于:2019-02-06 / 阅读(263) / 评论(0) 分类 六分钟英语

Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr

发表于:2019-02-12 / 阅读(166) / 评论(0) 分类 VOA标准英语2011年(十月)

1. 猫cat一词来自古英语catt,威尔士语叫做cath,西班牙语是gato,法语叫chat,德语则是kat,他们都源于拉丁语catus、 cattus或者catta,表示家猫domestic cat,相应野猫wildcat的拉丁语就是feles。英文里

发表于:2019-02-14 / 阅读(100) / 评论(0) 分类 托福英语

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(179) / 评论(0) 分类 2019年NPR美国国家公共电台1月

Don: Today on A Moment of Science Yael and I are talking about... lunch. Yael: Actually, we're going to talk about Don's lunch--and just how healthful, or unhealthful, it is. D: Well, I don't think you're gonna see too much unhealthful stuff, Yael. T

发表于:2019-03-06 / 阅读(173) / 评论(0) 分类 英语时差8,16
学英语单词
accelerator keys
adelphias
adrenal hypertension
ambutonium bromide
assembly frame
axial filling
ballast cargo goods
baurii
be required of
biological factors
bottom wear chamfer
bow diddley
Bz., bz.
Chinese goldthread
coherent optical technology
colombi
conterfeiting
cozeners
crankcase compartment
cross-connection area
crura of penis
deodorized kerosene
dermatofibromata
differentiation of Wei-Qi-Ying-Xue
earphone jack
efas
endbud
energized force by pressure
estrus time
fabric growth
foreset
good-sizer
gyl
hand float trowel
hexagonal metals kinking
high mountain
high velocity impact
hockey stick
hydraulic set
imprinting
intracellular recording
investigation tasks
it's getting late
Itanhaém
laser-oscillator modulator
line between
loquaciously
macroporous ion exchanger
map list
mental speed
mercury horizon
metalliferous ore
microalbumin
micrococeus ureae
Misamis
miskatonic
misophonia
monopolar HVDC system
motor chamber diameter
nalorphinium chloride
ncr (noncomformance report)
nonrecursive grammar
on-load washing
parity check interrupt
perfect delay convention
phenylamines
philippart
Placzek function
police dispatcher
pooch it
preferred number series
propassion
Pullman-car
rank beer
real - time system
regases
restrictive temperature
rice cropping
river hydropower development planning
salary package
Sandover R.
saxte
security dematerialization
snoore
sowood
statistical independenet experiment
storage cell
strepsinoma croesusalis
sublimatable
submissly
suboscillator
superfeminist
SYMONDS
tithe-man
touch starching
trabuk metal
tremie concreting
trumpet-major
vapothorax
white-bulb thermometer
wine mixer
witelo