测定定向法

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(九)月

Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

发表于:2019-01-02 / 阅读(189) / 评论(0) 分类 60秒科学

Rob: Welcome to 6 Minute English with me, Rob. Finn: And me, Finn. Hello. Rob: In today's programme, we're talking about freedom. It's a big subject and it's something the BBC has been exploring in its Freedom 2014 season. Finn: That's right. There's

发表于:2019-01-07 / 阅读(181) / 评论(0) 分类 六分钟英语

经过几轮的面试,你是否已经对面谈感到麻木了?千万不要大意哦!HR会在谈话中透露是否有意向雇用你。所以,好好记住这几句话吧! When can you start/begin? 你什么时候能来上班? Im impressed wi

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 求职英语

It's OK to skip school? 逃课背后的大学之惑 Skipping classes violates school rules and a poor attendance record will damage your final mark. But some college students still try every means to escape classes. 尽管旷课是违反校规的行为

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 轻松英语

By Robert Raffaele Washington 24 March 2008 A new U.S. report shows many people around the world still face discrimination based on their sexual orientation or gender identity. As VOA's Robert Raffaele explains, some American advocates are calling fo

发表于:2019-01-12 / 阅读(182) / 评论(0) 分类 VOA标准英语2008年(三月)

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2015年(九月)

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(161) / 评论(0) 分类 世界各地新闻集锦

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

发表于:2019-01-23 / 阅读(184) / 评论(0) 分类 探索与发现2015年

今天我们要学的词是 orientation. Orientation 做为名词,有取向的意思。A new study comparing the DNA of gay and straight men suggests that sexual orientation is determined by genes. 一项新研究对同性和异性恋男子的基因进

发表于:2019-01-26 / 阅读(176) / 评论(0) 分类 英语单词荟萃

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(188) / 评论(0) 分类 60秒科学

plateau n. (上升后的)稳定水平(或时期、状态) plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

发表于:2019-02-06 / 阅读(197) / 评论(0) 分类 英文语法词汇

经过若干轮面试的折磨,优秀的你终于首战告捷,获得offer。不过,有同学在经历了找工作的重重磨难之后,居然不相信自己的耳朵,激动得没有发觉人力资源经理正在以不同的表达方式向你道

发表于:2019-02-06 / 阅读(161) / 评论(0) 分类 实用英语

Cindy Liu 15/F,TOWER2 ,BRIGHT CHINA, BUILDING1, BEIJING QUALIFICATIONS: Over 2 years secretarial/administrative experience. Extensive business experience including accounting firms,legal firms,financial firms,insurance companies,transportation compan

发表于:2019-02-06 / 阅读(193) / 评论(0) 分类 实用英语

NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

发表于:2019-02-08 / 阅读(201) / 评论(0) 分类 英语新闻

Here are a few career-damaging statements to avoid. 下面有些可能对职业造成损害的话语要记得避免。 1. At 8 a.m. Monday morning, walking into the office 1. 周一早上8点,走进办公室 Dont say: Before you settle in, I need t

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 英语口语

商务英语口语对话 please, together with kukuspeak. 酷酷口语和您一起来 A:Hi, Jennifer. B:Hi,Lily,welcome to join us, I will show you around. Come with me,please. A:你好,珍妮佛。 B:你好,莉莉,欢迎你加入我们,我

发表于:2019-02-26 / 阅读(157) / 评论(0) 分类 英语口语

And the final thing is, again just to reiterate that there's this practical part, 最后,只是再一次重申,这个研究的实际应用方面, and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(228) / 评论(0) 分类 TED演讲教育篇

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣,是因为在过去十年间,我们发现这种现象不只局限在这种古怪的、 glow-in-t

发表于:2019-03-04 / 阅读(248) / 评论(0) 分类 TED演讲教育篇

近日,我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能?它的升空具有什么意义?在实现人们飞天梦的同时,它又能为我们的生活带来怎样的便利呢? 请看相关报道:

发表于:2019-03-11 / 阅读(229) / 评论(0) 分类 英文语法词汇
学英语单词
Abkhur
acceptance requirement package
actual path
adzing machine
ambassiate
anti-gbm
anti-Stokes radiation
antiss
atibeprone
bog up
break in scuffing
bulbocapnine
Buonabitacolo
business as usual
calderas
capital leasing
cencoes
circumvosyn
clematis aethusaefolia turcz.
Craigton
Di-len
DROMDI
duchesse
electric resistance type moisture meter
elytroncus (elytrophyma)
empty room
European goatsucker
Everone
Finlay
fitted capacity
flexible-pipe connection
fownes
full decator
fundus fluorescein angiography
genus Mercurialis
genus notoryctuss
graphic formula
guardie
high entropy alloys
hurry on
idyl, idyll
interfere between
john lylies
Khiv
leatherettes
lift electromagnet
lochia
lophophoral organ
mbius
medium butt
methyldihydromorphine
molybdenum tannage
morbific
moving coil loudspeaker
my very educated mother just served us nine pumpkins
nephritic edema
noisette rose
nonsiphonate
Offleben
old materialism
outremers
owe sb a spite
palau islandss
part-load organization station
pbytoprecipitin
potcher
radial flow settling tank
revival of trade
safety blasting explosive
scorpioidal
seam bar marks
secular progressivism
seesoo
semantic differentiations
set piling
sexuelle
sluggish fermentation
soda-microcline (anorthoclase)
soil cave
spatial variables measurement
spatzel
spring thrust
steam regeneration
striated muscle hamartoma
synthetic steel
syphs
Sǒdongch'ǒn
ta hsu
Telemark Fylke
terminal chiasma
theta-theta
tin star
Tone River
traneen
transparent context
tubular source
uncared
vanadylic sulfate
Veigaiaidae
voxel value
worm auger