音标:['self'pɔlineit] ;
v. 自花授粉

Study: Insecticide Is Killing Wild Bees 研究发现杀虫剂杀死野生蜜蜂 A new study says a widely-used insecticide is damaging wild bee populations. Wild bees are important, because they pollinate crops and wild plants. Environmentalists in t

发表于:2018-12-16 / 阅读(216) / 评论(0) 分类 2015年VOA慢速英语(五)月

AGRICULTURE REPORT - The Business of Bees and Beekeeping (Part 3 of 3)By Mario Ritter Broadcast: Tuesday, January 03, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Bees not onl

发表于:2018-12-17 / 阅读(204) / 评论(0) 分类 2006年慢速英语(一)月

Native Bees May Help Save Crops 本地蜜蜂可能帮助拯救农作物 BELTSVILLE, MARYLAND In June, U.S. President Barack Obama called for a federal strategy to promote the health of bees and other pollinators that have been declining. The honeybee

发表于:2019-01-14 / 阅读(216) / 评论(0) 分类 VOA标准英语2014年(八月)

Vanilla vines take two to four years to fully mature, and their flowers only bloom for one day of the year. In order for the plants to produce beans, they have to be pollinated that day. In most places where vanilla is grown, it isn't a native plant,

发表于:2019-01-20 / 阅读(201) / 评论(0) 分类 留美老师带你每日说英文

They don't live very long on average just a few weeks in the summer time. But in that time they'll fly four or maybe five hundred miles in total. and here's the best part. They are the only insect to provide us with food in the form of liquid gold, h

发表于:2019-01-23 / 阅读(243) / 评论(0) 分类 探索与发现2013年

AGRICULTURE REPORT - The Buzz About Bees By Mario Ritter Broadcast: Tuesday, May 31, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. More than ninety kinds of fruits, vegetables,

发表于:2019-01-30 / 阅读(285) / 评论(0) 分类 农业与发展
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Abyssinians
accidental image
acidic
aiding planning materials flow
ammonium polyvanadate
analytic signal
anclose
and don't you forget it
anoplotheroid
antebellums
anti-stick off voltage
antihyperalgesia
arrhenotocous
associated physical address
ball park
bastinades
bilins
bioethics
bridezilla
brucellergin test
Bruchsal
caboose
cage clearance
camp-style
ccaproyl
cerebral cortexes
cermet of measurement
chipoff
CLGP
cloughs
constipation in pregnancy
cover clamp
criteria selection
cryptococcus
dalvador
demobilisations
detachable maturity
dimerism
dip freezing
direct e-mail marketing
docroot
effect of grant of patent
enclosed slag
end isomer
ferne
fertilizer divided into separate applications
fire resistive
flight software
fueling station
gonner
graube
green kerneled rice
gyr-
hard disk partition
hemo jointing
Hindudom
horizontal diagonal
hustla
interstitial gland
lead release
let someone in on
leukagglutinin
light-hearted
like a parrot
listen with conviction
load data counter
locally-oxidized CMOS
M,m
manual tachoscope
minimise
multicolumn account form
myxomatoid
nautical charts and publications
oliwa
overdiversified
perforate-punctate
periodic(al) inspection
poison bean
positive G
price-responsiveness
quality of product
R-Gen
retroazimuthal projection
secondary fuel oil filter
seize time by the forelock
self lubricating bearing material
semi-structured
sericeas
single expansion steam locomotive
skanska
SOLENICHTHYS
straighttube boiler
stubble bottom
swimmerette
tortuous path
uniden
uprightnesses
vague attractor of Kolmogorov
water-jacket
white storks
wilfully caused loss
worker's participation in management