细菌叶绿素

[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(179) / 评论(0) 分类 历年考研英语完型填空

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(184) / 评论(0) 分类 纸牌屋第一季

AS IT IS 2016-11-05 Fall Colors Not Only Red and Blue 秋天的颜色不仅是红色和蓝色 This is Whats Trending Today. Americans often identify the two major political parties by the colors red and blue. The practice began with the 2000 election

发表于:2018-12-16 / 阅读(166) / 评论(0) 分类 2016年VOA慢速英语(十一)月

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(120) / 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(116) / 评论(0) 分类 Scientific American(五)月

SCIENCE IN THE NEWS - A Taxi at 12,000 Meters? New Mini Jets Are About to Shake Up World of Air TravelBy Brianna Blake, Jerilyn Watson and Nancy Steinbach Broadcast: Tuesday, October 31, 2006 VOICE ON

发表于:2019-01-02 / 阅读(134) / 评论(0) 分类 2006年慢速英语(十)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(143) / 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(138) / 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(172) / 评论(0) 分类 Scientific American(一)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(253) / 评论(0) 分类 2015年VOA慢速英语(七)月

Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2011年(十一月)

AUDIE CORNISH, HOST: Need a distraction from the news? ARI SHAPIRO, HOST: We have one. CORNISH: It's a reminder of the good things in life that are free. SHAPIRO: Another commercial for Nicer Living. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED MAN

发表于:2019-01-17 / 阅读(177) / 评论(0) 分类 2017年NPR美国国家公共电台2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(157) / 评论(0) 分类 TED演讲教育篇

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 In the last fifteen years, farmers

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 环球英语 Spotlight

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(135) / 评论(0) 分类 英语新闻

雅思阅读考试备考中很重要的一个部分就是对雅思阅读文章题材的熟悉和掌握。 雅思阅读考试的文章通常分为生物、地理和社会科学三类。雅思文章的出处有很多,其中最实用的、便于积累背

发表于:2019-02-12 / 阅读(180) / 评论(0) 分类 雅思英语

Because chlorophyll is the chemical responsible for making leaves green, its absence allows chemicals such as carotinoids, xanthophylls, and others to give leaves their orange, yellow, and various other colors. As trees stop producing chlorophyll, th

发表于:2019-02-15 / 阅读(133) / 评论(0) 分类 英语时差8,16

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(168) / 评论(0) 分类 阅读空间

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

发表于:2019-02-24 / 阅读(118) / 评论(0) 分类 英语听力文摘 English Digest

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(241) / 评论(0) 分类 TED演讲教育篇
学英语单词
a cookie
a possessory action
Actinidia arisanensis
advanced contribution
alter cycle control
an absolute cert
antifriction ring and holder
antinudity
auditory senses
batch culture
benzylidene bromide
bevel
butyric acid amide
cap stopper
Chappell Is.
chapter book
cinildipine
compensated-loop direction finder
competent policy
control signal box
croin
cuculla
demitri
derailments
derivatives markets
determination of distance
ecumene (oecumence)
efficiency-based personnel allocation method
eleotris oxycephala
epidemic diarrhea of nemborn
exobasidium hemisphaericum shirai
FDLP
Ferwerd
field kit
Filippi's glands
fireeaters
FM-B
Format disk
Gary Cooper
gas-solid interface
gilded cages
grassing up
greyhound-racing
halftone etching
hearing dog
helicopter view
hibiscus farrageis
honey crisps
in his infancy
incroacheth
index of leading economic indicators
legend plate
light interference
lignoses
louser
low-pressure facies series
mariane
Mephistopheles
microroughened
milanov
minimal medium
motion paths
municipal wastewater plant
Nabule
Neoemedyl
Nervus pudendus
non-graded sediments
oldest-old
outfiring
paleo-calcite
paranal fork
pepe pliers
per thousand
Pertang, Sungai
pick-up chain
pin connector
plywood box
polyglot
programme display
radan
recolonises
recorder impedance roller
reussite
runway spacing
Saxegothaea
shortgrasses
single acting die
sinusoidal coding
social marginal cost
spurge nettles
static calculation
string tension
subcreators
tending felling
trilinear
Tripetalae
universal function unit
vaccinable
without a word
Worcs
world commerce
worst-casest