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(69) / 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(54) / 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(108) / 评论(0) 分类 This is America

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学英语单词
absorptive scale
acetylcyclohexanesulfonyl peroxide
ammonia water?
an epidemic of a plant disease
arcoraci
arp, Arp,ARP
arteria frontalis medialis
autokinesis
axial flow turbine with fixed blade
Aztec calendar
barite
barycentric coordinate system
Batesburg
Brooker
cayley-hamilton
circinate eruption
cocked pistol
column density (n)
competitive recruitment examination and test
cycle on
discharged
doggedly
dovs
Emley plastometer
Ethernet driver
farmer's
foot-shock
frizzle up
fulldress
gabblings
Gioni
granello
happy as a king
hassal
haunted mansion
hay-eater
helium arc welding
Herriot, Edouard
ibrahimas
induced parthenocarpy
integrated hydrocarbon stripping process
isobutylene glycol
khamis
kicks-out
lateral central nucles
leave with pay
lique
lotusin
lower semi-modular lattice
lynx stone
Ma Liu Shui
magneto strictive drill
mama-sans
manual data relay center
microphony
milices
minor character
miter clamp
moist index
molecular velocity
moment of a family of curves
motorism
mountebankisms
national nuclear data centre
neuraxis
Nizhnyaya Yermolovka
Ntandembele
octple meter
Old Egyptian
oncootic
output traffic control
paradoxers
parental family group
pneumatic braking
porotic malacia
priming action
putting-greens
pyrogenic rock
quality of environment
Sam Browne belt
scroll driver
self relative addressing
session control protocol
shahi
short-chain branch
sinester
slopedness
source bed (rock)
stepping down of voltage
suprahyoid muscles
sybilles
symbolic programming system (sps)
toximycin
tremorously
unique copy
unroofed anticline
v-shaped isobar
Vinga
vote by open ballot
water jacketed metal ignitron
well-carved
wingover