[化] 丁苯氨酯

NOEL KING, HOST: There is a frightening new dimension to the opioid crisis. People who are using cocaine are overdosing, not on cocaine but on fentanyl. Fentanyl makes heroin even more dangerous, and now it's showing up in cocaine as well. And that c

发表于:2018-12-01 / 阅读(238) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Health Report - Spray Shows Promise in Malaria Study in Benin 健康报道 - 室内喷洒杀虫剂可减少疟疾传播 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria is caused by a parasite sp

发表于:2018-12-16 / 阅读(190) / 评论(0) 分类 2011年VOA慢速英语(十二)月

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(182) / 评论(0) 分类 英语PK台

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(155) / 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(233) / 评论(0) 分类 Scientific American(十一)月

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(441) / 评论(0) 分类 2010年慢速英语(二)月

An Even Deadlier Opioid, Carfentanil, Is Hitting The Streets play pause stop mute unmute max volume 00:0003:27repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plu

发表于:2019-01-16 / 阅读(233) / 评论(0) 分类 2016年NPR美国国家公共电台9月

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(329) / 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(236) / 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(167) / 评论(0) 分类 实用英语

By Jim Teeple Jerusalem 05 November 2006 Palestinian women mourn during funeral of brothers Ayman and Raed Yassin in Beit Lahia, November 4, 2006 Israel's prime minister, Ehud Olmert, on Sunday said the military operation in Gaza is not open-ended,

发表于:2019-02-01 / 阅读(243) / 评论(0) 分类 2006年VOA标准英语(十一月)

ROME, May 2 (Xinhua) -- Juventus goalkeeper Gigi Buffon made an easy mistake to gift 10-man Lecce a 1-1 draw on Wednesday as the Turin side saw their Serie A lead over AC Milan cut to a single point with two games to go. Claudio Marchisio's early hea

发表于:2019-02-06 / 阅读(240) / 评论(0) 分类 英语新闻

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(196) / 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(339) / 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(226) / 评论(0) 分类 VOA标准英语2011年(十月)

今天我们要学的词是 fentanyl. Fentanyl 芬太尼。U.S. President Trump said he would raise the issue of the flood of cheap and deadly fentanyl when he meets Chinese President Xi Jinping. 美国总统川普说,他见到中国国家主席习近

发表于:2019-02-16 / 阅读(229) / 评论(0) 分类 英语单词荟萃

The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good

发表于:2019-02-21 / 阅读(212) / 评论(0) 分类 2016CRI中国国际广播电台

The gorilla's fur was very black against the greenleaves. She had large nostrils and small ears. Herbright brown eyes were full of mischief. Bu, bu, bu, she said. Bu, bu.Boo yourself, said Annie. The gorilla hid behind the leaves again. Then she poke

发表于:2019-02-28 / 阅读(344) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

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(253) / 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(218) / 评论(0) 分类 英语时差8,16
学英语单词
aggregate gross position
air ammunition
air-temperature correction
amblyseiuss
Anatolian shepherd
arbitrary datum line
ascending water
bacteriology of trauma
bacteriophage-like particle
barea
brachial scar
brave it
break a new path
Bryonoguchia
category Axis
cavies
ceraunoscopy
cerium thermic reducer
coefficient of determination
Commonwealth Preference Area
cook-chilled
crapheads
crummack
CSL
cypraea ventriculus
deerslayer caps
Devarshis
diagonal tyre
dummy parameter concatenation
face-savers
five-pointeds
flexible dummy bar
free-range poultry keeping
fuel preparation
Grotten
hedgetrimmers
Hekelgem
homocytonic
imp. gall.
iron amalgam
java api for xml-based rpc
jerad
kinosternidaes
kocoa
Kolmogorov's scale
left-half hand zero
marinado
metaclassifier
micro-Winchester disk drive
microdose dosage mixed sistem
migrating balloon
milk sisters
multidirectional wave
noseworthy
NSC-129943
Parker House roll
pentamerid
period of cancellation
photodrome
pork roast
preamble breakpoint
pressure levels
propellant volume
Prout's hypothesis
Ramon'
regulating enzyme
remote pneumatic control system
renaissance
research institute of economy
reviewers
rewrought
RLD R.L.D.
schraven
SD (seasonal derating)
semi-polar bond
shafting centre line
Shingletown
shuttle-pin
sizzled
soviet-style
Spatholobus biauritus
spin-selection rule
strike expenses insurance
subarrays
subnival belt
sulliable
synspilus
tank classification
tense vowel
thinner
tikopias
Tinibras, Mt.(Tenibres, Mte.)
tollalyl sulfide
trough of syncline
tungstatian
unacceptablenesses
urushiye
vacuum refining of melting metal
vinyl acetate ? crotonic and copolymer
weatherin'
wet screening factor
yeahs