飞溅阻力

With a strong poison spray aimed at a bunch of flying insects, it's easy to imagine several of them falling together at the same time. Because flies are small and dirty creatures, we do not much care if many die at once. However, when it comes to hum

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 大千世界

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(78) / 评论(0) 分类 VOA标准英语2015年(十二月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(八)月

[00:02.94] 理发 [00:05.88]A: Hello,sir.I'm ready for you. [00:08.56]A: 先生,您好。该你了。 [00:11.23]B: Is it my turn? [00:12.85]B: 该我了吗? [00:14.47]A: Yes,please sit on the chair.How do you want to have your hair cut? [00:17.70

发表于:2018-12-25 / 阅读(77) / 评论(0) 分类 英语流行口语

No. 25 Clean the Bathroom 清洁洗手间 Practice Listen and Repeat A 1. Put down a clean bath mat. 铺下干净的浴缸防滑垫。 2. When youre finished cleaning, hang cleaning towels. 当你清洗完成,挂上干净的毛巾。 Conversation 1

发表于:2018-12-25 / 阅读(93) / 评论(0) 分类 快口说英语

Bar Bet 酒吧的赌博 A guy walks into a bar, stopping to talk to everyone in the bar. As he finishes with each group of people, they all get up and leave and go stand outside the window, looking in. 一个家伙走进酒吧,和里面每个人耳语

发表于:2018-12-31 / 阅读(98) / 评论(0) 分类 英语小达人

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(133) / 评论(0) 分类 VOA标准英语2008年(九月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(九)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2010年(五)月

Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2011年(十一月)

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2015年(一月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(96) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 2015CRI中国国际广播电台

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(109) / 评论(0) 分类 2007年VOA标准英语(一月)

My fingers feel as though theyve got frostbite, an abandoned spray can lies on the table and most of my kitchen appears to be dusted in a light frosting of silver. 我的手指好像得了冻疮,一个喷雾器扔在桌上,厨房的大片区域看起

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 阅读空间

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(84) / 评论(0) 分类 好听的英文歌曲

世博会开幕这几天一直高温不下,仅5月1、2日两天世博园区救护车出动就达到80多次,其中接诊的26个人是中暑。中暑的英文怎么说呢?大家都知道stroke,中风,而中暑就是heat stroke。 那么,中

发表于:2019-02-09 / 阅读(102) / 评论(0) 分类 英语口语

Sexual harassment is not uncommon on the metro in China. There has been an outcry in China after one city banned metro passengers from carrying self-defence products often used by women. 性骚扰在中国的地铁里并不少见。近日,一城市宣

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语新闻

35 dollars for peanut butter? I got 1.23 dollar Jiffy inside. 破花生酱要收我35美元 我家有1.23美元的杰菲花生酱 Then he tells me it's 75 dollars per possum that he removes. 没除掉一只负鼠要收我75美元 Where are you taking

发表于:2019-03-04 / 阅读(109) / 评论(0) 分类 柯南脱口秀
学英语单词
9-acridone
Abdulwahab
accident high exposure
Actinaraea
adenosyltransferase
admission end
Al Qawz
alysia macrops
anormal operator
Answering tone.
antineoplastic antibiotic
azo reductase
bapta
Bayan-Ulann
be used to
Benasal
carbamazepine
cardio-augmentor center
cataloguize
cathode sleeve
central spindle (hermann 1891)
chip-shops
Chrysograyanin
circlet
Cladosontidae
component services explorer
conical mill
continental system
creme de framboise
cryo-unit
death from manual strangulation
dynamic standby computer
early identification
electric data
elizabeth peabodies
Ermalate
ethylidene (di)fluoride
eudorylaimus
fiber glass coating
firing space
freightliners
Gay-Lussac tower
genus khayas
giveback
hard surrounding rock
heavy component
hemopyrrole
heteroallelic genes
hoe bucket
hydroxy-butanoic acid
inferior lingular bronchus
inflammation point
kingy
lift-improvement device (lid)
lighting batten
lump-sum charter
minuted
nonaggressive
nonpostmodern
nonproductive time
nonrecurring profit and loss
oblanceolate leaf
pekanbaru (pakanbaru)
Pfalzgrafenweiler
pleuroscop
poaching engine
porous alum
post-crime
power chords
pressed-glass
prime phrase
profittaking
pumpgun
pumping limit
PVP plasma substitute
quarrians
saddle on
Scutigerella
sever
shadow-cell
shitbaggery
shotfiring in rounds
snake-eye furuncle
Somers Point
spastic colon
spiral cutter-head
steeplechasings
strategic theory of economic development
sub-orders
symmetrizable kernels
thraustochytrium proliferum
total index tolerance
transient liquid phase sintering
trisetum spicatum formosanum
twin packer
unmentionable
verde antique
water-holding porosity
wide-bed-type press brake
wound type rotor
X-MATCH
zorids