蛋白分解细菌

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(500) / 评论(0) 分类 新概念优美背诵短文50篇

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(203) / 评论(0) 分类 新东方背诵文选

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(146) / 评论(0) 分类 英文魔法师字源大挪移

By Mike O'Sullivan 27 July 2007 United Nations Secretary-General Ban Ki-moon is on a two-day visit to California to discuss climate change and other global challenges. Mike O'Sullivan reports from San Francisco, the secretary-general says the United

发表于:2018-12-08 / 阅读(199) / 评论(0) 分类 2007年VOA标准英语(七月)

[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but

发表于:2018-12-11 / 阅读(141) / 评论(0) 分类 英语灵异故事

[00:17.23]Figure On The Proch [00:26.43]门廊鬼影 [00:35.14]I lay back down and tried to go back to sleep. [00:39.57]After I had lain there for about 5 minutes, [00:43.12]I started to hear a tapping sound. [00:45.77]I listened for a minute, [00:48.07]

发表于:2018-12-11 / 阅读(170) / 评论(0) 分类 英语灵异故事

Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on how you got here. Because babies born vaginally have a different set of microbes than th

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(六)月

You know, I just wanna say one brief thing about something the previous speaker said. I didn't wanna spend too much time on that 'cause I don't think it's important enough. But one thing is worth considering. He's the -- He's the nominal head of an

发表于:2018-12-30 / 阅读(166) / 评论(0) 分类 名人演讲

bathetic, adj 平庸陈腐的=hackneyed=stale 【记】以bath洗澡开头地就这么一个单词,洗澡就是很平庸的一件事。 【区】pathetic(adj 可怜悲惨的) 【反】offbeat(adj 不规则的)

发表于:2018-12-30 / 阅读(113) / 评论(0) 分类 不择手段背单词

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thankyou! 英文笑话Flash BBC儿童动画-小猪威比

发表于:2018-12-31 / 阅读(120) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

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(132) / 评论(0) 分类 VOA常速英语2008年(二月)

Larry到李华住的地方,去看她新领养的猫咪小雪球。今天李华会学到两个常用语:mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊,我的猫咪

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 美国之音《流行美语》

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(235) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Brian Wagner Miami 22 September 2009 A supporter of Honduras' ousted President Manuel Zelaya runs during clash with riot police in front of Brazil embassy in Tegucigalpa, 22 Sep 2009 Riot police in Honduras on Tuesday broke up marches by supporte

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 VOA标准英语2009年(九月)

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(140) / 评论(0) 分类 2017年NPR美国国家公共电台8月

By Anjana Pasricha New Delhi 10 November 2006 A prominent Sri Lankan Tamil politician has been gunned down in Colombo, even as more clashes were reported at sea between the navy and ethnic Tamil rebels. The dead politician, a member of a party linke

发表于:2019-02-04 / 阅读(202) / 评论(0) 分类 2006年VOA标准英语(十一月)

今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice,支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 英语每日一词

Barca and Atletic look to pile pressure on Real Madrid MADRID, Oct. 25 (Xinhua) -- FC Barcelona have the chance to further pile the pressure on Real Madrid in matchday nine of the BBVA Primera Liga. League leaders Barca travel to the capital to take

发表于:2019-02-07 / 阅读(191) / 评论(0) 分类 英语新闻

By Jeff Swicord Washington 03 November 2009 For decades, AIPAC (The American Israel Public Affairs Committee) has been the pro-Israel lobby in the United States, bolstered by a massive membership -it says 100,000 - among America's six million Jews.

发表于:2019-02-12 / 阅读(112) / 评论(0) 分类 VOA标准英语2009年(十一月)

WASHINGTON, Nov. 8 (Xinhua) -- Five U.S. boxing Olympians will make their professional debuts Friday at a casino outside Palm Springs, California. Among the five London Olympic boxers is three-time Olympian Rau'shee Warren. The group returned from Lo

发表于:2019-02-18 / 阅读(101) / 评论(0) 分类 英语新闻
学英语单词
acetyl-7-hydroxycoumarin
adult-literacy
agnathic monster
Alfedena
aronow
arterial blood
articulated tower
ashing dish
backouts
basic reference standard
Broad Church
Cajal's stain
cambril
changchengite
closed-gas-turbine power stations
codiscoveries
colour-trace tube
comes out in
commissurae Ventralis alba
common ridge planting
conditional transfer command
desk frame
distance velocity lag
drilling character of rock
dropsides
dynamic similarity
educational theory
electron density measurement probe
ensurancer
enterlude
episcopalia
extension M
FACDS
fines removal
flake crack
foot by foot
fritted hearth bottom
frohnmayers
gigers
gooed
had to do with
Hapamine
hematoma of cord
hi tec
icosanoid
initiatories
ISE
kinetic theories
last expressed juice
latiseptate
lever pin
lithostratigraphies
loudmer
medina-worm
mei-ling
melt sandwich
minimum phase-las system
myco-
no right turn
non-fixed
nondecisive
NOT-OR element
opponent
order Anostraca
ordering effect
paidology
paleotropical disjunction
parallel escalators
pleasure-seeker
postpone
preparation for the care of skin
resource-efficient
retarget
Rhamnus liukiuensis
ruddys
salicide penetration
sanbenitos n
sea rim
sieve vessel
slotted vane
spare tube
step test procedure
STIF
suburban school
superminis
Swidwin
taste of cherry
terminated level
terrain elevation
Tetramitus mesnili
ticktacktoos
titrimetric standard
to throw the switch
Toshiki
tropospheric scatter
ultraselective
uncolonnaded
undried
United States Naval harbour
universal upsetting and welding machine
user font
vortex tube