胚种嫁接

By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n

发表于:2018-12-07 / 阅读(52) / 评论(0) 分类 VOA2003(下)-农业与经济

This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important

发表于:2018-12-15 / 阅读(51) / 评论(0) 分类 VOA慢速英语2007年(一)月

AGRICULTURE REPORT - For Eating or Looking: Wild About CherriesBy Mario Ritter Broadcast: Tuesday, March 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There is something ha

发表于:2019-01-02 / 阅读(63) / 评论(0) 分类 2006年慢速英语(三)月

55 华盛顿故乡重造森林 DATE=8-22-01 TITLE=SCIENCE REPORT - Cloning Mount Vernon's Trees BYLINE=George Grow (Start at 59' )This is Bill White with the VOA Special English Science Report. Tr

发表于:2019-01-06 / 阅读(53) / 评论(0) 分类 自然探索

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(60) / 评论(0) 分类 2010年VOA慢速英语(五)月

亚洲细菌威胁佛州橘树 Florida's citrus fruit industry is facing a serious threat from a bacteria carried by an Asian insect. The widespread infestation again highlights the danger of transferring non-native species to American soil. 佛罗里达

发表于:2019-01-19 / 阅读(51) / 评论(0) 分类 VOA双语新闻 2014年9月
学英语单词
Adequate service
afears
American crow
aquacillin
artistic porcelain
balanced crepe
body waste
Borgarhöfn
brandled
calpack
cameo light
Cestan-Raymond syndrome
charge algebra
configure
constantan thermo-couple
cortex cerebri
cotton with
counterfactually
crop bound
Crotalus adamanteus
dastardice
datronia stereoides
dead end loss
difference frequency fluctuation
digifologenin
Dihuang Wan
distinguishing a case
electroscalpel
embryotrophy
employee stock
excite-ment
explain'
farmlike
fiachra
Fraisans
fueling consumption curve
gas recycle pump
gay and lesbian movement
glue penetration
Gondey
guloes
gupta's subset selection method
have a suit to
heating effect of a current
high ion
honey-locust (gleditschia)
human cytophysiology
I'll thank you to do sth
india rubber spring
jet-engine parts
kapitsa
l.f.c.
lalley
Lampetrini
Leontopodium pusillum
Libyanizing
low-tension pulse
luis
memory palaces
methanometer (methane tester)
microassaying
microradiography unit
mold rain
multivor
non directional current protection
Nyquist method
odoration
outward transit
overall f-number
parallel input/output controller
piecement employment
piston valve pump
plane strain condition
Pommy,Pommie
precision attenuator
projectile flat
proteolytic enzymes
push ... aside
roll stabilized
root zone
Sarcina ureae
Schuermann furnace
securities industries
settle time
single spool turbo-prop
small animal reservior
sorptional capacity
step pulse
strength-of-flood interval
taxation administration
timber-grillage
turn coordination
turnover of goods in process
ubicates
ultin
Varāmīn
venous skin flap
vessel flute
Wilson R.
winding distribution ratio
zubero