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(227) / 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(219) / 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(234) / 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(209) / 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(261) / 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(296) / 评论(0) 分类 农业与发展
学英语单词
'tweenbrain
1-ethoxy-2-methylpropane
abstraction sequence
acetone sulfite
Acipenser huso
Anacapa Is.
arithmetic index number
ASBPO
associated(-dissolved) gas
bell stop
blowths
bracy
cable-stayed structure
Canisy
CDCA
charise
circular distributor ring
co-suretyship
conoidic
controlled-beam magnetron
convell
cruarin
crushborder
cynicism
depreciation proportional on fixed base
dines compensation
diolostene
earth-based station
Efatsy
Endonema
engine room operating station
Exchange Ratio
feeding conduit
feened
fiberboards
fixed fuse
Fort Good Hope
framented transport
Garcinia xishuanbannaensis
genus ivas
Guasdualito
gyro display coupler
hierarchical file
Hinckley, Mt.
inorganic analysis
Jab.
jiam
jovo
knock out the wedges
Lactuca sativa L. var. capitata L.
lateral condylar fracture of humerus
lemieux
Lester.
LMET
logical character
maackia amurensis rupr. et maxim.
malfolding
maternity and child care
mental education
meta object facility
mica-flake insulation
microdiffusion
migration cleanup
Mirinone
multiple instruction - multiple data processor
my worship
nmnh
noise regulation law
olympians
One's eyes gather straws.
oreless
palece
pan-rage
paracentrobia andoi
partial algebra
peaceability
petion
pexp
pocket pussies
Polonise
poor krypton heat exchanger
private order
Property rights transfer agency
radiactivity meter
repeat last find
sampling survey method
Saskatchewanians
seon
spermine phosphate
splanchnically
St-Nicolas-d'Aliermont
sterile steamed feed
strategic army forces
submarine-canyon sediment
tendamis-tat
thallic chloride
tipping bin for non tipping trailer
train wheel bridge foot
unthought-of
wiwi
yerke
zymophosphate