优美辐杆藻

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(645) / 评论(0) 分类 新概念优美背诵短文50篇

> I’ve been working on the railroad, all the live-long day. I’ve been working on the railroad, just to pass the time away. Can’t you hear the whistle blowing? Rise up so early in the mom. Can’t you hear the captain shouting, “Dinah, blow you

发表于:2018-11-29 / 阅读(350) / 评论(0) 分类 迪斯尼儿歌第一集

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(308) / 评论(0) 分类 新东方背诵文选

A new study into the hygiene of supermarkets has found that shopping carts are dirtier than the stores bathrooms. Microbiologist Dr Charles Gerba of the University of Arizona conducted research on the handles of 85 carts in four American states. He r

发表于:2018-12-07 / 阅读(289) / 评论(0) 分类 创新英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

发表于:2018-12-24 / 阅读(207) / 评论(0) 分类 Scientific American(九)月

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

发表于:2018-12-24 / 阅读(200) / 评论(0) 分类 Scientific American(三)月

It was my dream to learn the clarinet(黑管). There seemed to be no hope, since I didn't know where to go to learn the clarinet. While I was walking on the street today, there came a person dispensing the flyers(发传单) about the clarinet cla

发表于:2019-01-02 / 阅读(162) / 评论(0) 分类 不用背句型学英语

This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also di

发表于:2019-01-02 / 阅读(197) / 评论(0) 分类 2010年慢速英语(三)月

听音乐学英语 Ive been working on the railroad我一直在铁路上工作 Ive been working on the railroad, all the live-long day. Ive been working on the railroad, just to pass the time away. Cant you hear the whistle blowing? Rise up so early

发表于:2019-01-07 / 阅读(237) / 评论(0) 分类 听歌学英语

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(205) / 评论(0) 分类 VOA常速英语2008年(二月)

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

发表于:2019-01-12 / 阅读(244) / 评论(0) 分类 2011年VOA慢速英语(九)月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(348) / 评论(0) 分类 2015年VOA慢速英语(七)月

E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn

发表于:2019-01-14 / 阅读(247) / 评论(0) 分类 VOA标准英语2011年(六月)

Report: Superfood for Babies A new report says more than 800,000 babies lives could be saved every year, if all women began breastfeeding within the first hour of giving birth. Save the Children calls breastfeeding one of the best ways to prevent mal

发表于:2019-01-14 / 阅读(196) / 评论(0) 分类 VOA标准英语2013年(二月)

Artist/Musician Invents Easy-to-Play Instrument He designed it that way to encourage everyone, and not just musicians, to play music. People are capable of playing a musical instrument, but if you play an instrument and get frustrated with it early e

发表于:2019-01-14 / 阅读(212) / 评论(0) 分类 VOA标准英语2013年(五月)

Janet Jackson的新专辑登上了美国流行专辑榜榜首位置,这是她7年的第一个冠军,但唱片的销量却折射出音乐界总体的滑坡。 《Discipline》是杰克逊音乐生涯中第6张冠军专辑,截止到3月2日,共售出18.1075万张。而她此前的两张专辑虽然只取得亚军,但销量相当可观。 Artist

发表于:2019-02-03 / 阅读(261) / 评论(0) 分类 音乐咖啡厅

European and World Health Organization scientists say a deadly outbreak of E. coli bacteria that has killed 18 people is a rare and virulent(致命的) strain of the bacteria. The latest victim died Wednesday night in Germany. The United Nations agen

发表于:2019-02-04 / 阅读(208) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(190) / 评论(0) 分类 英语新闻

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(204) / 评论(0) 分类 双语有声阅读

作为一个不在意是否成为明星的人,Blake Shelton 在过去的几年中确实闯出了名头。 Now i love country music And i guess i always will But these days, when i turn on the radio It's just not the same thrill I like a song that g

发表于:2019-02-18 / 阅读(184) / 评论(0) 分类 美国乡村音乐
学英语单词
administrative department
agar streak test
alphanumeric logic package
Anoplotheres
astigmatic lens
at any one time
batter at
Candle L.
capno-
center of influence
circular blade side shears trimming
civic sector
clankings
crowfoot cell
curing schedule
deed of conveyance
dinitropropyl phenol
dispersoid
economic take-off
electrocardeoscanner
ericsons
etherizers
firelines
friggas
fully-factored load
gas metal arc
give a plan the nod
Gliqudon
gyromagnetic frequency
handell
heading change inertia
hem in
hepatoclavicular
Hill Street Blues
hog's fennel
hull return circuit
hydraulic suspension system
injector orifice
international regime theory
Kachira, L.
kanbur
kepier
kylins
lanceless
laughing doves
leptyntic
loaded bran
lose no opportunity
marsupialise
mclaurin
messing space
mildly corrosive
minimum station
mosetale
muchinsky
multi-access retrieval system
negative-feedback
nofloat
oral digestion
overwetting
paper curtain
parishii
parniss
parthenogeneses
pedalers
petrostates
phototopographically
pleural lobe
potential customer
Pusur R.
recourcy
robertson's
sabered
set of pulleys
size of image
slab tailplane
software management
superior anterior segment
Swivel-Loom
Tanagra figurine
TD (turbine drive)
telegram converting transmitter
Torralba
transcultural
transportation force
tuberculous abscess of joint
uk ipo
ultrametamorphic water
undercooked pulp
up the stairs
urban market
var. b. bicipitogastrocnemialis
ventriculostomy
videotape pirate
virtual data
visual orientation
Wanistuka-yama
wave pattern
wedger
welded sheet condenser
Wostok
zonking out