混合有机无机酸酐

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(59) / 评论(0) 分类 VOA2003(下)-农业与经济

本讲为2006年下半年新的教学内容,请对照讲义听声音! Students(researcher/scholar) of Nature are not satisfied with guessing, but they observe, day after day, the changes which tak

发表于:2018-12-30 / 阅读(48) / 评论(0) 分类 自考英语(一)78讲

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(41) / 评论(0) 分类 英语每日一词

ARI SHAPIRO, HOST: The human species is about to change dramatically. That's the argument Yuval Noah Harari makes in his new book Homo Deus: A Brief History Of Tomorrow. Harari is a history professor at Hebrew University in Israel. He expects we will

发表于:2019-01-16 / 阅读(33) / 评论(0) 分类 2017年NPR美国国家公共电台2月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 TED演讲教育篇

Premier Li Keqiang says China should consider science and technology as a primary productive force. Scientific and technological innovation to a large extent determines the future of China's development strategy. In history, we have missed several te

发表于:2019-01-20 / 阅读(48) / 评论(0) 分类 英语新闻
学英语单词
-psin
all moving surface
basic noise
boring tool holder
bunnyhop
cable railroad
clumsiest
clypeate constriction
co2 waterglass process
conference television system
cottonwood tree
cross street
cumulative frequency table
cylindrical pivot
data communication i/o exchange
department of earth science
dhsis
differential draft
dislocation pipe
dry-and-wet-bulb hygrometer
east germany
EDMSes
enamor
enfrain
envigadoes
Eofandom
eslicarbazepine
fairdom
fasciculus corporis restiformis
focusRect
fotofest
Grade of Passage Ticket
Greene and Greene
group of bit
hafnium arsenate
hankes
heat load
Helotium
Hyalellidae
incomplete plane
incongruousnesses
inspection by mould bar
insulators
isobol
kramers
laboratory oscillator
lateano
Le Grand-Geblewics phenomenon
ligamenta cuneocuboideum interosseum
linear pinch device
lip synch
mesogynal plate
migratory bird
minaretlike
mlns
Morchella esculenta
narrow white line
non-satisfactions
nonhemolytic
on someone's part
open field
ordenes
oscillatory occurence
overflow safety device
Pat. patent
phosphato-tungstic acid
pixy-led
Pleurozium
polishing mark
power take-off drive shaft
processus articular superior
proencephalic monster
proto type
Ptinus
put up to auction
reversible handle
rightly or wrongly
rope form scouring
rumker
saloon master
scabriusculus
shrinkable cover
slubbings
sockle
split-arse
Spumariaceae
Staphylococcus pyosepticus
stored program concept
successive substitution
Tamul
Tate module
thermal forcing
third-order trigonal bipyramid
three point circuit
turf battle
u.s.a
unescapableness
warm reception
wear testing machine
wooden cleaner
yetties
zeng