透气度测定仪

[00:-3.00]A PRACTICAL JOKE [00:-4.00]We can define a joke as something you say that causes laughter, [00:-5.00]and a practical joke as something you do that causes laughter. [00:-6.00]After a practical joke everybody laughs or smiles,except, [00:-7.0

发表于:2018-11-30 / 阅读(288) / 评论(0) 分类 高中英语牛津版高二

Unit 14 Part B Text 1 Genetic Engineering: for Better or Worse? Technology is not only used to build spaceships and high-speed computers. It is also being used to create new plants and animals. This technology is known as genetic engineering. At the

发表于:2018-12-04 / 阅读(234) / 评论(0) 分类 全新版大学英语听说教程第三册

Broadcast: Mar 19,2003 March is National Women's History Month in the United States, a time when Americans honor the often-neglected contributions women have made to American history and 1) contempora

发表于:2018-12-08 / 阅读(320) / 评论(0) 分类 VOA2003(上)-文艺之窗

Bluegrass is often associated with the arrival of Celtic immigrants to the Appalachian Mountain region in the 1700s. American bluegrass music remains popular in many parts of the United States. Jam sessions, where musicians get together to play, can

发表于:2018-12-08 / 阅读(227) / 评论(0) 分类 VOA标准英语2010年(五)月

Trump's Election Calls Attention To Electoral College And Small Federal Agency play pause stop mute unmute max volume 00:0003:21repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or upd

发表于:2018-12-17 / 阅读(140) / 评论(0) 分类 2016年NPR美国国家公共电台12月

Human skulls on display at the Smithsonian Institution's Natural Museum of Natural History Scientists writing in the journal Science report that two skeletons found in a cave in South Africa belong to a previously unclassified species of hominid or e

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 VOA标准英语2010年(四)月

Flying Lab Studies Global Climate Change飞行实验室研究全球气候变化 Researchers studying global climate change have taken to the skies in a flying laboratory that is at the forefront of scientific discovery. The lab is a Gulfstream V corp

发表于:2019-02-01 / 阅读(132) / 评论(0) 分类 VOA常速英语2013年(八月)

One of the world's most remote inhabited islands is on the lookout for a new farmer, but with just one village and a population of only 265 people moving there may not be everyone's cup of tea. 最近,世界上最偏僻的小岛之一正忙着招一位

发表于:2019-02-06 / 阅读(240) / 评论(0) 分类 阅读空间

U.S. National Research Council calls for more exploration Rosanne Skirble | Washington, DC 08 April 2010 Photo: Smithsonian National Museum of Natural History Rick Potts has led excavations at early human sites in the East African Rift Valley, and cu

发表于:2019-02-12 / 阅读(173) / 评论(0) 分类 VOA标准英语2010年(四)月

Smithsonian Museum opens new window on human origins Rosanne Skirble | Washington, DC 02 April 2010 Photo: Chip Clark, Jim DiLoreto, Don Hurlbert, Smithsonian Institution Five fossil human skulls show how the shape of the face and braincase of early

发表于:2019-02-12 / 阅读(182) / 评论(0) 分类 VOA标准英语2010年(四)月

I was only alive to the condensed confidential comfortableness of sharing a pipe and a blanket with a real friend. 我的兴趣完全集中在跟一个知心朋友共吸一支烟斗。共盖一条毯子的这种精诚的舒适上了。 With our shagg

发表于:2019-02-25 / 阅读(198) / 评论(0) 分类 白鲸记

HOW POTTS SAVED THE NIGHT EXPRESS Ray Stannard Baker 波茨挽救夜行快车 雷斯坦纳德贝克尔 The men who command our ships, pilot our airplanes, and run the great locomotives that pull our trains cannot be weaklings. 操纵帆船,驾驶飞机

发表于:2019-03-04 / 阅读(270) / 评论(0) 分类 美国小学英语教材6

Suddenly Harrison drew in his head. She's slowing up to take water, he said sharply. 哈里森突然探出头,他急促地说火车正在减慢速度,准备灌水。 For a moment Potts was undecided. In a few seconds' time he would be opposite th

发表于:2019-03-04 / 阅读(349) / 评论(0) 分类 美国小学英语教材6
学英语单词
a stack of
absentation
aircraft general standards
alanylation
aleyrodidaes
angle for maximum righting lever
angulately
anteriolateral cordotomy
arcane glossolalia
artificial damping
as clean as a new pin
bean -eater
boddie
Boverton
calepitrimerus brevilinea
carelians
cattail millets
closely related species
coalescing
dacite-liparite
dan-ger
debt
dextrates
direct-attached
English Classics
entrance lobby
European bream
even-par
exobiologists
fascial strip
feathertails
feudal land rent
Ficus cunia
full lines
gap in the frog
gaussian form
go at sth
gotten out of repair
grease oil
handjam
helmet sight
heterosexualness
high speed stall
host attachment facility
hump lead
hyperproducers
hypothesizer
inland waterway
installment sore
inventory accounting method
jarjis (zarzis )
junceella juncea
jungle babbler
Krapeu Kom
lambiss
library subprogram
loosen the purse strings
low-point
luminous beam
magnetotail
man machine problem
maxstrlen
mcanique
miicromicro
mixed condensation
molasses grass
multistage filter
multiyear
neckdown
non-exclusive jurisdiction
oesophagobronchial
packaging paperboard
pre-remote
presiding
principle of equipollent load
profit on redemption of discount bond
program item
prototype kilogram
prototypical character
pyrogenic succession
Rebeca, L.da
remold
rust grease
Sandside
sapphirer
selecting cutting
show barn
Side-channel
sight locating
snoozer
stick force
sugar-cinnamon
synchronous altitude
theEuropean
thick wall part
Tolanate
tomas de torquemadas
toyes
under the disguise of
weatherling
welfare capitalism
whore-houses