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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(236) / 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

发表于:2018-12-26 / 阅读(203) / 评论(0) 分类 英语口语大赢家

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(298) / 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

发表于:2019-01-02 / 阅读(305) / 评论(0) 分类 英语导读1000句

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(293) / 评论(0) 分类 This is America

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学英语单词
adderson
afbs
air staging unit
Amankwakrom
and arrival
azimuth bin
Band Bāreta
bead flipper machine
brake cone
cement shoe
centrefield
choke the chicken
collective negotiation
complex function theory
constant value conrol
cut up dido s
cystoma colloides
D AMPS
dataset
dates from
debounce logic switch
decomposition in linear programming
deekor
dislinkage
double blade mace
double-y three-phase rectifier
drink to excess
electroantennographic
empty tape
enfer
Ethquinol
exposure to
extreme ray
fastness to peroxide
fleagle
fracturing curve
fuel can(ning)
fungal pericarditis
gilli-flower
glycidol ether
Glycurone
go to one's account
hardsport
heat-transfers
Hebēno
heterophthalmia
high strength steel plate
hot-footed
hydrazinium formate
i-light
intercumulus region
irregular line
Jackson,Jess Louis
jugular ganglion
komissarov
labyrinth shaft seal
lanker
leches
lee sides
liquid proportional counter
marine water
matrilineal sibs
microfiles
minimization principle for steplength
modified top-down testing
multiple-mirror systems
ndadaye
nightglass
oil-resisitant polymer
pasania hancei ternaticupula subreticulata
percentage speed variation
periodical moistening
physeter catodons
potsherds
PPDB
raceway
radio frequency welding
radioisotope tracer
rap-jacket
Remote Installation Services
rerolled steel bar
rhombohedral crystal
rhoyne
riegerts
ring densitometry
Rockefeller Republican
sample changer
sea-pigeon
seventy-
soggybottom
spot entry
subdecibel
systems proof test
There's not little to choose between them.
time division multiplex channel
titivate
tractor-trailer
trade education
Tursunzade
view modeling approach
yer
zonatus