音标:[inˈvenʃənz] ;
n. 发明( invention的复数形式 ); 捏造; 创造力; 发明物
n. the creation of something in the mind
n. a creation (a new device or process) resulting from study and experimentation
n. the act of inventing

By Jerilyn Watson Broadcast: October 6, 2003 (THEME) VOICE ONE: An office in the United States government has helped protect 1)the property rights of inventors for more than two-hundred years. Its job

发表于:2018-12-07 / 阅读(84) / 评论(0) 分类 VOA2003(下)-美国人文故事

丹尼尔和阿美在观看中国古代的四大发明。丹丹觉得那些都是简单的东西,没有什么意义。其实他们的发明者都是一些很聪明的人。那最后丹丹的观点有没有改变呢? Listen Read Learn May: There are so many people that the tickets are all sold out! Daniel: Luckily we

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Listen Read Learn May: There are so many people that the tickets are all sold out! Daniel: Luckily we got the last two. May: Look, Danny. The Four Great Inventions! Daniel: Gunpowder, compass, the paper making, and the printing. May: I really admire

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 英语大赢家上册

Section 38 Inventions They say that the world’s first great invention was the wheel. Perhaps we could argue that the discovery of fire was equally as important. Of course we don’t know who invente

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THIS IS AMERICA - October 14, 2002: Patents and Inventions By George Grow VOICE ONE: An office of the American government has helped to protect the legal rights of inventors for two- hundred years. Th

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 This is America

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学英语单词
.ee
.nf
4-hydroxy-3-methoxybenzoic acid
adverse field
AEP
agiguan i.
alarm free
andrena
armor artillery
baking-free brick
Baranivka
bases & acids
bevel pinion adjusting sleeve
Bischwiller
bloating tendency
Blum
booking records
camarilloes
check synchroniser
chuck hayes
Cinnamomum reticulatum
coo
Cotunnius's nerve
crossed nicols
crustecdysone
cryogenic process
deformity of testis
destructive effects
Diketopregnenes
direct-current comparator
drawerfuls
Durck
dushanbe (dyushambe)
eCDN
endosternum
epidemic disease
erinacea
financial outturn
folding endurance
fruit extract
gainfulnesses
general flexibility
gladding
GLOMEX
Grand Manan I.
grinder bench
ground-to-ship missile
hereditary cerebrospinal paralysis
High Frontier Study
hydroxylase
indignations
infiltrating carcinoma of lactiferous duct
interleaved scanning
Juncus balticus
Keystone Kops
kick-off meeting
korkidi
lacing thread
ladder with platform
lale
land and groove
leaching nitrate
lipofection
lot card
Lucozade
manual-reset adjustment
market valuation
megaheterochromatic (white 1943)
micro cross section detector
miraged
Niegowa
officinalis Anchusa
para-chloromercuribenzoate
patrol craft
peace be with you
pedal loom
petur
powdered crystal method
printing on print
pronates
reader's response psychology
recirculatory pool of lymphocytes
round dozen
rumored
select school
sheer of gunwale
Sinapis nigra
single-blow beading
skein breaking strength
sole paragraph
strategic news frame
synchro-control transformer
synthetic address
teazes
trilobated leaf
vago-vagal reflex
variation of gravity
Vila Nova Sintra
volumatric pump
vote the mixed ticket
yarn box
zinc sulfhydrate