[化] 苯亚胂氧化物

The weekly Special English program - American Stories. Our story today is called To Build a Fire. It was written by Jack London. Here is Harry Monroe with the story. The man walked down the trail on a cold gray day. Pure white snow and ice covered th

发表于:2018-12-06 / 阅读(140) / 评论(0) 分类 弗兰肯斯坦.Frankenstein

Our story today is called The Gatewood Caper. It was written by Dashielll Hammett. Here is Harry Monroe with the story. Millionaire Harvey Gatewood had a desk as big as a bed in the middle of his office. He looked almost as big as his desk. Gatewood

发表于:2018-12-11 / 阅读(135) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story is called The Celebrated Jumping Frog of Calaveras County. It was written by Mark Twain. Here is Shep O'Neal with the story. A friend of mine in the East asked me to visit old Simon Wheele

发表于:2018-12-11 / 阅读(303) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Today's story is called The White Heron. It was written by Sarah Orne Jewett. Here is Kay Gallant with the story. The forest was full of shadows as a little girl hurried through it one summer evening

发表于:2018-12-11 / 阅读(149) / 评论(0) 分类 美国故事

Now, an American short story in Special English. Our story today is The Devil and Tom Walker. It was written by Washington Irving. Here is Shep O'Neal with our story. Before we begin our story, let us go back 300 years to the late 1600s. In those ye

发表于:2018-12-11 / 阅读(154) / 评论(0) 分类 美国故事

Now the VOA Special English program American Stories. Our story is called The Animals Give Themselves from the book Cloud Walker by Joe Montour published by Forum Publishing. Mr. Montour is a native American from the Mohar nation. He has written sto

发表于:2018-12-11 / 阅读(135) / 评论(0) 分类 美国故事

Now the Special English program American Stories. And our story today is called ''Judge''. It was written by Walter D. Edmonds. Here is Harry Monroe with the final part of our story. When Charlie Hestle died, he left a wife and nine children. They l

发表于:2018-12-11 / 阅读(186) / 评论(0) 分类 美国故事

Now, a VOA Special English story for the New Year. It is called Bright Hill. Our storyteller is Shep O'Neal. A few days before Christmas, Chantal Yardley visited Jacob Samuels in the old people's home. Do you know they aim to blow it up? said Mr. Sa

发表于:2018-12-11 / 阅读(183) / 评论(0) 分类 美国故事

Now the Special English program American Stories. Our story today is called The White Circle. It was written by John Bill Coliton. Here's Shep O'Neal to tell you the story. As soon as I saw Anvol sitting in the apple tree, I knew we would fight, I a

发表于:2018-12-11 / 阅读(164) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story this week is Keesh. It was written by Jack London. Here is Shep O'Neal to tell you the story. Keesh lived at the edge of the Polar Sea. He had seen thirteen suns in the Eskimo way of keepin

发表于:2018-12-11 / 阅读(155) / 评论(0) 分类 美国故事

Today's story is adapted from the young adult novel Stepping on the Cracks by Mary Downing Hahn. This book won the Scott O'Dell Award for Historical Fiction. The story is about Margaret Bayger, an 11-year-old girl. She tells her about her life in a s

发表于:2018-12-11 / 阅读(196) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story today is Hard Rock Maple. It is about two people living in New England. They seem like the hard rock maple trees often found in that area, nothing can make them move. Today's story was writ

发表于:2018-12-11 / 阅读(139) / 评论(0) 分类 美国故事

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(187) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(150) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(139) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 Scientific American(十一)月

By Deborah Tate Capitol Hill 27 June 2006 U.S. Defense Department officials Tuesday briefed members of a Senate panel behind closed doors about the possibility that North Korea may launch a long-range missile. A key lawmaker says such a launch does

发表于:2019-01-13 / 阅读(191) / 评论(0) 分类 2006年VOA标准英语(六月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(331) / 评论(0) 分类 英语新闻
学英语单词
-ative
African dance
ammonium hypophosphate
andrei markovs
artiskin
balance method of stores accounting
be insufficient of
bentonite slurry
bimorph crystal
brachyurus
branching channel blockage
bring to ... notice
Butibel
buycotts
case turner
centre axle
chome-nickel
clytocybe albas
computational structural mechanics
curve track
deskspace
diallagite
diamantion
dinner menu
diplazium pullingeri
dissipators
dooby
dramshop law
dryfinish machine
dumbing
ejection injury
engineering and designing expense
epiphoras
expatiate upon
financial planning system
foot-pound-second (fps)
forest pathology
gamegears
gas-liquid reactor
gasoline storage
genus Aranea
goods rate
graphics standard
hang nail
houka
immunoexpresses
initial blank
initial steady level
jowl effusion
Kanhān
Kara, Gora
kerp-
kittens
local coordinate system
lowset
mccanles
meadia roseni
medical diathermy
Mehmed II
mercuric sulfocyanate
monodynamic
mopp-eyed
more kicks than halfpence
niccolites
non-turbulent
one-dimensional group
padded shoulder
Paikauliā
pearly princesses
posttraining
pressganging
psychai
quartzipsamments
re-admission
scoche
serving suggestions
set temperature
simplified-character
skeksis
sorption gradient
squaw dresses
ST_industry_textiles-made-from-man-made-fibres
stripper bushing
strunzite
swine dysentery
system of fertilization
talent-scout
tension stringing
the true
three-cavity moulding
Traffic in Narcotic Drugs
true chondroma
Truncus lumbaris dexter
vegetable glue
veins of caudate nucleus
vertical smiles
walk in space
walloped
wheel window
winding apparatus
ZOFA (zone of action)