n. 粗壮凤仙花

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(205) / 评论(0) 分类 Scientific American(十一)月

AS IT IS 2014-09-20 Scientists Discover Secrets of Coffee 科学家发现咖啡的秘密 An international team of researchers has created a sequence, or map, of the genes of the coffee plant known as Robusta. About one-third of the coffee drunk world

发表于:2019-01-12 / 阅读(163) / 评论(0) 分类 2014年VOA慢速英语(九)月

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 60秒科学

By Steve Herman New Delhi 20 December 2007 Espresso drinkers are losing what critics praise as one of the world's best certified organic robusta coffees. The government of Kerala state has refused to extend the lease on the land where the rare beans

发表于:2019-01-31 / 阅读(206) / 评论(0) 分类 VOA常速英语2007年(十二月)
学英语单词
absolute pins
Acanthodiformes
Agapite
alarms and excursions
Barro Alto
Blastus apricus
box dock
brash oaks
bring to court
capitellum
cassie ketone
chestnut paste
chief communications engineer
combined diagram
coolant gross activity monitor
cooler nail
correlational statistics
countersunk head screw
cutlassfishes
datelessness
deenes
demotists
disinclination
domestic prelate
dowayo
elytrorrhea
endorsed notes payable
endothelin-2
Enkianthus taiwanianus
ex-military
filler of veal
floor type grinding wheel
foot lift
fortran and internal translator system
front page news
giant wheel
greetee
higginbottoms
hosta tardiflora f. maekawa
isatic acid
isothermal evaporation
Jaggayyapeta
ketubah
large bank
layer 3
legare
lift-type disk
looked upon
loss electrical load
low-speeds
major medical expense benefit
marine zootomy
marketa
Methodee
metzingers
mitchell-baker
morelloflavone
network end-point
niccolites
nickel-silver
nitro-enamel
non-satisfactions
nucleobranch
Okinawa-ken
once-impregnable
operational formula
option market
out-performanced
parmelia praesquarrosa
pig farmer
pineyard
polyphenyl ether resin
postevent
psammolittoral organism
qj
rack rates
re-insertion
reissland
semisecret
shoulder arms
slope drain
soaking-in
span of tow-rope
speech fluctuations
sphenic number
submacular
T.C.O.
tc (temperature coefficient)
tech-support
technical regulation
thelohanelliasis
third electrode
threshing board
traverse sketch
tubular nephritis
tymer
uncleanse
unhardens
unjustifiable funds
vegetarianizes
within-year
yhoded