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发表于:2018-12-01 / 阅读(184) / 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(178) / 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(142) / 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(156) / 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(139) / 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(353) / 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(142) / 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(158) / 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(153) / 评论(0) 分类 英语听力练习题
学英语单词
3'-hydroxygenkwanin-5-O-glucoside
ablazer
acoustic signalling system
aeshna
altar-frontal
Arlus
ball-bearing felt packing
bevel gear shaper
bleeder current
butter weed
came into effect
chronic suppurative osteomyelitis
Cinnamin
clear(lacquer)
clothes hangers
coal run of mine
computer mathematics
cooperativize
copperoxide
criminal conspiracy
danangs
data selection and modification
Digitaria abludens
Diphenylsulfide
driven element
Ducetius
electric braking
fairlawn
feeder service
festoon cooler
fine roving frame
finput
forming lathe
four-spigot classifier
gazids
gentle start
gershunies
given melody
global zone
Gogland, Ostrov
grammarie
Granite Springs
greenish-reds
hang someone in effigy
hard wired numerical control
hashy
highters
hook rule
Hudson Canyon
huperzia cunninghamioides
hybrid ribosome
in full flush
in good sooth
in the south
interview survey
kakaralli
Karashoky
ketonaldehydmutase
LH2-AMP
lungsi massif
luxury goods tax
mineralization of U-Ti type
modulus-weight ratio
non-blast furnace ironmaking
non-negotiable bill
nulling operation
octanen
oochoristica chinensis
photoactinic action
pillow forts
proxy managed node
pucciniostele clarkiana
ranger measurement system
rapismatid
roll tubes
rplad
Santiago de Chile
silverbacked
single-row disk harrow
solid borne noise
sophie tuckers
South Indian yellow-throated marten
special live load
sponge cloths
spot face
statement of income and expense
Stellaria lanata
subnitrate
subpressure
tag question
Time Warner
timing and control circuit
titanium dioxide (tio2)
total gradient current
totally geodesic submanifold
Ubiquitism
upper mounting plate
Uralian emerald
weathercloth
wild bred
wipe-off
zig-zag scanning