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发表于:2018-12-01 / 阅读(140) / 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(135) / 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(110) / 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(104) / 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(106) / 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(307) / 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(108) / 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(110) / 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(113) / 评论(0) 分类 英语听力练习题
学英语单词
-gilne
.dll files
2X device
6-bromomethyl-19-norcholesterol
a-rated
acetic acid value
adamantanes
anti-submarine rockets
antiepileptic drugs
Ban Hin Kong
Bernard Harb.
betanodavirus viral nervous necrosis
bit-bender
bpx
brainstem-cerebellar
build something into something
burnison
Carex vesicata
cauty
centralized control over the revenues and expenditures
Chem neb
clematis grata wall.
communication mechanism
complete elliptic integral of the first kind
conference telephone of full-distribution system
coronet
cosmic-ray heavy nuclei
csfs
cupric phosphate
daikon radish
dandy-line
dependability coefficient
diplosomite
direct fired kettle
dry-weather discharge
engine capacity
four-way system of reinforcement
frozen injury
gresini
ground controller
growth layer
gustatory perceptions
hand-eggs
hanging drop culture
high-pressure admission
horizontal tube furnace
hydrobacteriology
ignasi
induced transmutation
iterator pattern
jahrs
kafrs
kyo-ya
learned hand
ligamenta sacrotuberosum
Lumena
marine organism corrosion
measurement and analysis
mechanical reliability
mentality
microwave pre-heating continuous vulcanization
monomials
mugget
multiplicatrix curve
nonemeat
open-beach
part with something
PEPP
phosphorous fluoride
pneumatic tired roller
poolers
post softening
procaine hydrochloride
red tide monitoring
reky
relieving cutter
reserved operand exception
shift the blame
sinkeh
stability pact
stand by one's gun s
stationary phase coating
steady-state theory of the universe
stirring screw conveyer
subject of crime
sundays and holidays excepted
t-stat
three-phase bar-winding
titanium tritide
town clerks
trema dielsiana hand.-mazz.
ultra-hyperbolic
unsapped
unsightliest
useful (working) exchange capacity
vaccinator
Viburnum brevipes
W.R.
white tail
yokukansan
Zioncheck
zygomatic nerve