鱼骨形接地

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 (科普英语)Earth and Sky

Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea

发表于:2018-12-07 / 阅读(77) / 评论(0) 分类 (科普英语)Earth and Sky

Amazon Trends 亚马逊河流域 More than 1/3 of Earth's species -- and about 30% of the total living plants and animals on Earth -- live in the Amazon. Discover a noted scientist's perspective on the perils and promise of this region -- today on Earth a

发表于:2018-12-07 / 阅读(80) / 评论(0) 分类 (科普英语)Earth and Sky

[00:17.89]Below is some information that you may find about sharks in the library. [00:58.57]Sharks have been around for a very long time. [01:04.91]It seems they have been on earth for thousands of years, [01:12.07]and have changed very little. [01:

发表于:2018-12-10 / 阅读(82) / 评论(0) 分类 初中英语人教版初三

[0:03.191]Unit 1 We Love Nature [0:06.186] Lesson 3 Where Do They Live? [0:10.642]Let's talk. [0:13.770]Hey, Rose.What [0:15.242]are you doing? [0:16.784]I'm reading a book [0:18.290]about animals. [0:19.760]May I have a look? [0:21.409]Sure. Here yo

发表于:2018-12-13 / 阅读(72) / 评论(0) 分类 新路径小学英语五年级下册(三起)

[00:37.09]Listen and read [00:40.93]What do you know aout the water:seas and rivers? [00:47.70]You may say,I know it well.I go swimming and play in it. [00:56.24]Nearly all of you know these about the water. [01:01.81]First,look at the map of the wor

发表于:2018-12-13 / 阅读(85) / 评论(0) 分类 小学英语陕旅版六年级

[00:02.69]Unit 1 We Love Nature [00:05.04]Lesson 3 Where Do They Live? [00:08.22]Let's talk. [00:09.61]Here, Rose! What [00:10.62]are you doing? [00:11.77]I'm reading a book [00:13.04]about animals. [00:14.05]May I have [00:14.46]a look? [00:15.22]Su

发表于:2018-12-13 / 阅读(67) / 评论(0) 分类 新路径小学英语五年级下册(一起)

托福写作一直是难以提高的部分,尤其短期内的冲刺更是充满挑战。这一过程中,对于托福范文的仿写、分析十分重要,下面新东方网留学频道就为大家分享由孟炎老师为大家带来的范文精析

发表于:2018-12-18 / 阅读(69) / 评论(0) 分类 托福英语

This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(七)月

Climate change is one of the most worrying things for our planet. Many politicians and scientists say it is the biggest danger we face. I read almost every day that climate change is changing the Earth forever. Many species of animal, fish, insect, f

发表于:2018-12-28 / 阅读(111) / 评论(0) 分类 听一分钟英文-C

It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at

发表于:2018-12-31 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest

Fire Regime 火 Fire was a creation of life -- born from oxygen and organic matter -- ignited by lightning. Thus fire has been a fundamental feature of the Earth for at least 400 million years. A scientist talks about fire -- today on Earth and Sky.

发表于:2019-01-02 / 阅读(198) / 评论(0) 分类 (科普英语)Earth and Sky

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(190) / 评论(0) 分类 (科普英语)Earth and Sky

Titicaca Reedbeds 的的喀喀湖的芦苇地 An ancient lake high in the mountains of South America holds lessons about indigenous peoples and sustainability. Discover Lake Titicaca -- today on Earth and Sky. DB: This is Earth and Sky. Lake Titicaca is high

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 (科普英语)Earth and Sky

Amazon GIS 亚马逊地理信息系统 In the Amazon, there's a growing human population in a region that also contains 30% of Earth's total plants and animals. Learn how scientists have put together an Internet window to the Amazon -- today on Earth and Sky

发表于:2019-01-02 / 阅读(165) / 评论(0) 分类 (科普英语)Earth and Sky

I really worry about our oceans. Not many people understand how important the oceans are. Every day we hear stories about the rainforests and the ice caps, but we rarely hear about the oceans. They form most of the Earths surface and most of the worl

发表于:2019-01-21 / 阅读(78) / 评论(0) 分类 纯正英语一分钟

英文歌词: Plato's spawn cold ivyed eyes Snare truth in bone and globe. Harlequins coin pointless games Sneer jokes in parrot's robe. Two women weep, dame scarlet screen Sheds sudden theatre rain, Whilst dark in dream the midnight queen Knows every

发表于:2019-01-26 / 阅读(90) / 评论(0) 分类 英文摇滚歌曲

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(232) / 评论(0) 分类 科技之光

NEW YORK, Sept. 5 (Xinhua) -- Eleventh seed Jo-Wilfried Tsonga rallied to beat Mardy Fish, the eighth-seeded American 6-4, 6-7 (5), 3-6, 6-4, 6-2 on Monday, reaching US Open quarterfinals for the first time. Fish was trying to make it past the fourth

发表于:2019-02-03 / 阅读(100) / 评论(0) 分类 英语新闻

A huge meteorite crashed into the Atlantic Ocean. Babies who were sound asleep in Asia heard the impact. The meteorite went through the ocean bottom. It created a hole deep in the Earth. All the seawater from the Atlantic started rushing into the hol

发表于:2019-02-15 / 阅读(79) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
accessory reproductive organs
Ascodinium
axiom of Cantor
back-packing
belt driving over
benzoylthoourea
biogeochemical disease
bubble flow visual ization
camera bulbi anterior
Christmaslike
coldgalvanized
completely random series
compressor-type liquid chiller
concrete floor paint
decertations
dimethylaniline hydrochloride
dna microarray assay
door closer-spring
dorso-abdominal sulcus
dyserethesia
echo-free
eczema herpeticums
Elatostema litseifolium
eminelntia conchae
encephalomyelitis epidemica
facies artihllaris acromialis clavicolae
feel at home with
free pendulum
gamahuches
Great-Billed
groffe
Grunau
gum loader
hanging core
Heloderma horridum
high - density polyethylene
hoisting tool
hydraulic engineerings
Imperial measure
international air space
iodostarine
jargonic
jersey lillies
jet vane stabilizer
Journal of Heredity
junk store
keriss
Kirchbichl
label remover
lovibond comparator
magic lamp
make our excuses
man machine digital system
Manpower Services Commission
megaselia (aphiochaeta) grandipennis
menorhynchous
Mensans
naiz
namalius
necrophagic
pantdress
pass the queer
pen position
picture taking machine
Pokrovsk-Ural'skiy
polling identifier
postmidnight
proprietorship
psychosine
quasi-random sequence of numbers
Raynaud's phenomenon
RDSL
re-adapts
real ratio of international exchange
rehearsal dinner
Ressons-sur-Matz
retropleural
revissar
rubber backing roll
sdn bhd
seventy-six
shearwaters
silverleaf sunflower
smooth surface caries
soluble castor oil
sphyrna lewini
St-Symphorien-d'Ozon
stray light emission
streperas
suspending operation or slashing production
system command interpreter
tetranitroanisole
textcolor
textile processing
Third Worlders
tobacco smoke alkaloid
toca
under-funded
volume percentage solution
vulcanica
Wagner turbidimeter