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(84) / 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(64) / 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(69) / 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(71) / 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(60) / 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(71) / 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(54) / 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(52) / 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(67) / 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(92) / 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(63) / 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(181) / 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(178) / 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(159) / 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(156) / 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(63) / 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(80) / 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(224) / 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(87) / 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(59) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
actual run-time data area
agrimonolide
air pressure test of boiler
ambitionize
Anclote National Wildlife Refuge
aortic branches
application slip
approach surveillance radar
AT-2266
auxiliary appratus
Azoferredoxin
bayle's granulation
be called to one's account
beer hall
binding agent
boiler rebuilding
bones of hand
Cartland Barbara
Cephalaspidiformes
chivey
choson
Cole Peninsula
collective sector
confirmation in writing
constant pressure start-up
core setting
ctenidium serratifolium (card) broth
cutidector
dadah
deflated series
depectible
dermal capillaries
diameter of propeller
dinical
dovetails
dysthyroidal infantilism
edible hydrogenated oil
em square
enarch
estate of inheritance
fastfoods
FASTOPEN
felth
file processing system
galathea pubescens
ge-rcas
hea'
henricosborniids
hollow pillar
hyperpolarity
immanentises
immechanism
imperative necessity
impure gold
iron oxide
iron-nickel accumulator
Itapetininga
Japonia
juvenile science
left-drag
leptocimbex formosana
luff tackle
malacological genetics
market research society
maternitywear
moisturefree
mongaup
mudars
no-load torque
nose-ring
ordered arrangement
pearlfishes
photoelastic method
planaperturate
pooling of manpower
puts forward
raisty
retax
schlosspark
sea-beds
separated type
sexual shock
shede
short-term store
shortholds
Silgen
softbottom
spark-coil
splitter inlet
squailer
static table
steam bleeder connection
suffer fools
suinn
superhigh pressure boiler
Tannroda
VGO
Warburg's coferment
whyls
wind spun vortex
wrought Everdur
Zombie Juice