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发表于:2018-12-01 / 阅读(155) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(154) / 评论(0) 分类 Scientific American(十二)月

The next morning it was raining very hard. The sky was filled with black clouds. Its teeming, said Rory. Its pouring, said Benny. We cant play outdoors very well. Thats OK, Rory said. We can work some more on our telegraph. As the boys worked, Rory h

发表于:2018-12-06 / 阅读(122) / 评论(0) 分类 17 Mystery Behind the Wall

Brooke was pulled out of the line at LAX because bells rang as she walked through the airport metal detector. Young and pretty, Brooke had body piercings in her nose, tongue, eyebrows, and ears. Brooke was escorted to a private room by Cher, a female

发表于:2018-12-11 / 阅读(131) / 评论(0) 分类 365个英语简短小故事

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(121) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(328) / 评论(0) 分类 60秒科学

589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮;行星齿轮 epicyclicgear 593 、 固定夹;台夹 benchholdfast 594 、 固定

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 英文名句短语

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(134) / 评论(0) 分类 Scientific American(八)月

Listen to the dialogues and check the tools they mentioned. 英语对话1 A:What kind of tool do you need for loosening the bolt? B:A wrench would be helpful. 英语对话2 A:What do you need for pulling the nail out? B:I need pliers. 英语对话3 A

发表于:2019-02-17 / 阅读(124) / 评论(0) 分类 英语听力练习题
学英语单词
-tome
a big haul
A.B.Loff log
absolute state
acting in concert
aggressive growth fund
ambassador at-large
anesthesin
area centralis
asbestos putty
average daily production
backflow damper
Beandrarezona
briding
Buq'ātā
Byzantines
carcinoma telangiectaticum
closed-chamber fusion weld
composite cellulosic membrane
compress technique
computer program configuration item test procedure
cooperative exploration of offshore oil
corner piece
cytoplasmic island
dihydroactinyldiolide
dor
DTS
engine-type generator
enseigne
Esidri
forisomes
functional composite
Geminian
gentiana septemfida pall
genus Actinidia
going to the dogs
governor's council
green briquette
gyrocopter
haptocyst
helipterum manglesiis
hematologies
hold someone in the palm of one's hand
hydroxyprogesterone
incisor process
incombustibility
interior transportation design
internal branchia
inverted chill
item advance technique
Jiguani
kerner
lodestones
luggage and parcel traffic accident
luthiery
macrozoosplankton
mccrindle
measure data
metal-oxide-semiconductor dynamic memory
miaows
miliaceum
mixolimnions
myocilins
nalorphine
neutrophilous plant
nonassociated
Paxiam
pharyngobranchial bone
photo-romances
pleiochasium
preantenna
reactor circulation
remote-spotting tube
Rolligon
Sassari, Prov.di
saunterers
scina nana
self-avoiding random walks
septal canal
Shirley,James
silding pair
single-speed governor
site-independent mode
skeletomotor
slate-colored juncoes
small break
social-skilling
sqsusasrstsesrs-s
start import at row
step contact printer
suprameatal foveola
Sweet Festival
syndicated column
theoreticism
tiscione
undrooping
unit item
utility costs
verdict for defendant
virtual front time of impulse
volumetric(al) flask
wide-passband infrared system