细菌指示物

Exercise 1-23; Syllable Count Test CD 1 Track 33 Put the following words into the proper category based on the syllable count intonation. Write the pattern number in the space provided. Check Answer Key, beginning on p. 193. Single Words l. stop __

发表于:2018-11-28 / 阅读(288) / 评论(0) 分类 美语口音训练第一册

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50

发表于:2018-11-30 / 阅读(190) / 评论(0) 分类 历年考研英语完型填空

[00:00.00]1.May I ask you a little favor? [00:03.36]请你帮我个忙好吗? [00:06.71]2.Yes,please. [00:08.52]好的,请说。 [00:10.32]3.When can I catch the bus for Tianmu? [00:13.96]去天母的公共汽车我在哪里乘? [00:17.61]4.At

发表于:2018-12-05 / 阅读(179) / 评论(0) 分类 交通英语会话

Michael采用老犯人Charles的计策,递交过敏体质的人权申诉。监狱长和Michael一起搭建泰姬陵模型时,谈到这个用拖延时间来避免被转走的策略。 [00:07.49]Listen and Share [00:41.56]Michael [00:42.98]Charles [00:47.97]Michael [00:58.79]How are those allergies? [

发表于:2018-12-07 / 阅读(185) / 评论(0) 分类 纸牌屋第一季

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(125) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(一)月

序号 中 文 英 文 术语解释 缩写 来源 101 操作维护中心 Operation and Maintenance Center OMC YD/T 1221.1-2002 102 光分插复用器 Optical Add/Drop Multiplexer OADM YD/T 1205-2002 1

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 电信英语

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(268) / 评论(0) 分类 2015年VOA慢速英语(七)月

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是indicator。 Indicator, 指示,信号。20国集团财长在巴黎开会并达成协议。 The agreement lays out a list of indicators that can be used to monitor the progress made by member countries in reducing imbalanc

发表于:2019-01-25 / 阅读(130) / 评论(0) 分类 英语每日一词

Girls waistlines have expanded by almost four inches in 30 years, figures show. 数据显示,女孩子的腰围在30年内将上升到约4英寸。 Rising levels of obesity mean that the average 11-year-olds waist is more than 27.6in, compared to 2

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 实用英语

Time again for our Website of the Week, when we showcase interesting and innovative online destinations. The World Bank lends money to promote development, and to help achieve its goals it collects a lot of data. For years, the World Bank has been on

发表于:2019-02-03 / 阅读(166) / 评论(0) 分类 VOA标准英语2010年(五)月

今天我们要学的词是indicator。 Indicator, 指示,信号。20国集团财长在巴黎开会并达成协议。 The agreement lays out a list of indicators that can be used to monitor the progress made by member countries in reducing imbalanc

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 英语单词荟萃

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 英语新闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(175) / 评论(0) 分类 英语新闻

Six New Year's Resolutions Getting healthy need not be overwhelming. Here are six simple, straightforward ways to get on track toward optimum health in the new year. 1. Post It On the Fridge! Adopt the Anti-Inflammatory Diet The anti-inflammatory die

发表于:2019-02-17 / 阅读(177) / 评论(0) 分类 阅读空间

Bacteria are the oldest living organisms on the earth. 细菌是地球上最古老的生物。 They've been here for billions of years, and what they are are single-celled microscopic organisms. 它们已经存在数十亿年了,它们是单细胞微

发表于:2019-03-04 / 阅读(253) / 评论(0) 分类 TED演讲教育篇
学英语单词
a smoking bimbo
absolute cover
acoustic impedance matching of middle ear
advanced fiber reinforced composite
aerodrome reference point
alumina procelain
Anauksu
angiopteris palmiformis
auto-mechanics
balanced diode mixer
bandrol, bandrole
beta-endorphin
biotite olivinehornblendite
birthdayless
bistrique
block outfitting
boring test
bottom level
boundary scattering
Bretschneidera
BTX
Buerger disease
bus-loads
cafe creme
cast-iron hypoeutectic
code block
common basils
companc
comparative efficiency
conjugatings
Crura ossea ampullaria
cryptosexist
cycloaddition reaction
dried bean curd
dynasts
eimerl
elasticity of lung
epidemic disease
evenhood
fillet mignon
finite elasticity theory
fix form
flashless moulding
fuzzy searches
gene-rich
gyroklystron amplifier
Hemmingstedt
hot-air funnel
huqqah
Hyalellidae
impact allowance
jack-ups
kiss gate
laevigates
Ligusticum acuminatum
lithocholic
loan on real credit
loop route
lowtons
mathematical extrapolation
Mephytalette
Mersa
metaphire feijani
microlymphocytotoxicity
misimprision
monzodiorite
name of manufacture
natally
non-alternant hydrocarbon
non-coincident trip
nonhygienic
odometrically
oien
originating exchange
overenergetic
panel molding
platina age
please say it again
poings
pot-bellied
PTAB
rackjack
reactionists
Resin-tapper
sealing adhesion
sequence starting
short wave diathermy apparatus
slow relay
sphincter of pylori
spreading wave
Springsure
stretched-pulse fiber laser
stubben
the grassroots
troublings
Tsǔrvaritsa
turning gear test
veterans military status
voucher journal
wadi-type depression
Walliserodus
wou'dn't