音标:[zæn'θɔmә,næd] ;
黄(单胞)杆菌
n bacteria producing yellow non-water-soluble pigments; some pathogenic for plants
词型变化:名词复数形式 : xanthomonads

There are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an e

发表于:2018-11-28 / 阅读(214) / 评论(0) 分类 疯狂英语易背作文

[00:00.00]Module 1 LEARNING METHODS [00:05.54]Unit 3 Some of the exams were very difficult. [00:11.24]4 Listen and complete. [00:15.06]Mum,I have my report here. [00:18.39]Great. Can you give it to me,please? [00:21.26]Sure. [00:22.78]Oh, this is for

发表于:2018-12-04 / 阅读(193) / 评论(0) 分类 外研社新标准初中英语九年级

In June, the Oxford English Dictionary, or OED added about 1,000 words and new definitions to its website. The changes are to help users understand a mix of terms, some dating back many centuries. The additions include words such as brencheese deaths

发表于:2018-12-08 / 阅读(123) / 评论(0) 分类 2018年VOA慢速英语(六)月

New IMAX Space Documentary Brings Images to Life 新的3D IMXA给生活带来新的享受 What we watched then were blurry and grainy TV transmissions. Now, the 45-minute IMAX documentary puts the aud

发表于:2018-12-08 / 阅读(142) / 评论(0) 分类 VOA2005(下)--环境科学探索

Nalini Nadkarni挑战我们对于树木及监狱的传统观点,她认为这两者都比我们所想得更具活力。经由与华盛顿州政府的合作,她将科学课程及保育计划引进给受刑囚犯,并得到超乎预期的效果。

发表于:2018-12-09 / 阅读(136) / 评论(0) 分类 TED公开课:罪与罚

Study: Neanderthals Were Artists Some of the worlds oldest cave art is too old to have been made by modern humans, researchers say. Studies suggest that Neanderthals were responsible for creating cave drawings found in modern-day Spain. They also app

发表于:2018-12-18 / 阅读(181) / 评论(0) 分类 2018年VOA慢速英语(二)月

00:00:02 OPRAH WINFREY: Hattie Mae, this child is gifted, and I heard that enough that I started to believe it. 00:00:08 ROGER BANNISTER: If you have the opportunity, not a perfect opportunity, and you don't take it, you may never have another chance

发表于:2019-01-03 / 阅读(278) / 评论(0) 分类 2017年VOA慢速英语(十一)月

I Icariin 淫羊藿甙 Imperatorin 殴前胡素 Indigo 靛蓝 Indirubin 靛玉红 Inokosterone 牛膝甾酮 Insularine 岛藤碱 Insulin 胰岛素 Inulicin 旋覆花内酯 Iosmatrine 异苦参碱 Isoa

发表于:2019-01-03 / 阅读(126) / 评论(0) 分类 医务英语

By Nancy Steinbach EDUCATION REPORT -July 25, 2002: SAT Examination This is the VOA Special English Education Report. Each year, millions of people around the world apply to study at American colleges

发表于:2019-01-06 / 阅读(144) / 评论(0) 分类 教育与新闻

Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says

发表于:2019-01-12 / 阅读(142) / 评论(0) 分类 2011年VOA慢速英语(五)月

'Terrorists in Love' Examines Islamic Radicals How does a young man transform from a law-abiding middle-class citizen into a terrorist? Ken Ballen, a former federal prosecutor, spent five years trying to find answers to that question. The result is a

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2011年(十一月)

Pussy Riot's Nadya Tolokonnikova On Her New Anti-Trump Song play pause stop mute unmute max volume 00:0005:55repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plug

发表于:2019-01-17 / 阅读(163) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 经济学人科技系列

ENVIRONMENT REPORT – June 7, 2002: Tornadoes By Jill Moss This is the VOA Special English Environment Report. Every year in the United States people watch for dangerous windstorms called tornadoes.

发表于:2019-01-30 / 阅读(186) / 评论(0) 分类 健康与环境

Hobbit Ancestor Bones Found 霍比特人祖先的骨头 Small human-like creatures lived in Indonesia 50,000 years ago, and a recent study found evidence of their much older ancestors. Scientists working in Indonesia say they found several teeth and

发表于:2019-02-12 / 阅读(409) / 评论(0) 分类 2016年VOA慢速英语(七)月

Science and technology 科学技术 Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanity's family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brooks's film History of the Wo

发表于:2019-02-16 / 阅读(159) / 评论(0) 分类 经济学人科技系列

1.establishment n.确立;建立;家业 Because of the establishment of the patriarchy, androgyny gradually retreated from the mainstream society. 但由于父权制度的确立,双性同体思想逐渐从主流文化中隐退。 2.aspire v.热望

发表于:2019-02-16 / 阅读(167) / 评论(0) 分类 经济学人科技系列

Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanitys family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 Sep 10th 2011 | from the print edition THE opening scene

发表于:2019-02-17 / 阅读(202) / 评论(0) 分类 经济学人综合

Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanitys family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brookss film History of the World: Part One dispenses with human ori

发表于:2019-02-17 / 阅读(166) / 评论(0) 分类 经济学人综合

Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关

发表于:2019-02-24 / 阅读(188) / 评论(0) 分类 经济学人科技系列
学英语单词
academic philosophy
AE-cellulose
AEF
Amsubit
ancillae
animal nematology
aridnesses
back electromotive force cell
badhaus
bagged grain
be neither one thing nor the other
bird's-foots
bitch-slapping
black body temperature
box sling
buying checklist
cackles
carry out an invention
clynch
coccyxes
compensating device
cross-spectral density function
cryogenic propellant tank
cut-to-length device
dicaptan
diplomatic instructions
direct-fired generator
disk Basic
disremembers
drug resistant
end-of cycle scram characteristics
eoraptor
express alternate pcb
eyestones
final color picture
gender switch
glucanases
glycol monostearate
greenskeeping
gun low-altitude air-defense system
hardware system availability
high-strength plain steel washer
highash
hodouls
horizontally-mounted
hydrochloric acid extraction
iceboxes
ileotyphoid fever
illuminating system
impeller ramming
impulse pallet
infinity-edge
Jeroaquara
keleps
line switch network
magid
major league
mean percent error
mercury-sealed shaft
mobile field camp
multi-pay well
multiplicate flower
murklins
n-th root of unity
naphthoic acid
neobrucine
nonblackbody
nosecones
Nuba
octlets
one-plate press
pick of
pneumogastroscop
preliminary sketch
reverse-thrust device
ruinous competition
scan out bus
scoop wheel
sex ratios
shivas
single-acting fuel supply pump
size of number
sound discriminator
Stakhanovite
stalk eyes fly
steadly
subbundles
surface seed bank
synovial diverticula
Tarinus' band
teccor
torula herbarum
tradesfolks
treble ram pump
triple goddess
Valpovo
virginia serpentaries
voice frequency terminal equipment
Wareham
way block
white-black
writes off