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(244) / 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(313) / 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

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学英语单词
'bus
accelerated burn-up test
Acer olivaceum
Adamhood
ahead swell
angle fluctuation
auriform file
basio-
Benfica
betrothal gift
bottlesful
Broca's areas
cabaner
cacajao roosevelti
cake of press
capacitive gap
capital of Ecuador
cash-flows
chestnut-coloureds
Cibakhaza
clinicoroentgenologic
consumers' goods
convertible notes
crisanti
culture makers
deuce court
development of plant genotypes
direct converter
display by default
Ectopagy
employment bureau
equity joint venture
featherson
Finley, Mount
flares
forty-something
gradings
gramercy
greycing
guiding rod
hit noise
index plan
injection revolution frequency
interrupt lockout
jack-shaft
jacquard index
Kaede
kankrej cattle
katy-handed
Kunlan Shan
lagrange interpolating polynomial
lamina boards
least cost path
lod locomotive
low light level camera
maidenhair trees
methylcholine iodide
metleucauge yunohamensis
microclimatology
migration of population
milk whey
monnica
mooniest
mucous gastritis
normal loss
nuclei nesvi accessorii
omnilingual
Otterstadt
outside bearing
over stated
oxenium
papillosarcoma
perinaphthenone
perm-plug method
pile weft
pollenation
PRA (probabilistic risk assessment)
price curve
pupa subterranean
pyromucate
radiophiles
resistance starting
sealing plate
seasde
Sek'ot'a
self correlation
semi-commercial unit
serving hatch
shifting sand
short-bread
shortwave cloud radiative forcing
single-channel analyzer
sound off by the bell
spark-quenching device
steel electrode for low temperature service
sulphur pearl
tobias smolletts
toroidal lens
transistor-level
unbundlered
vinings
width diameter ratio