I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(75) / 评论(0) 分类 听一分钟英文-O

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(105) / 评论(0) 分类 英语课程学习计划和讲义

99 吸收金属原料的植物有助于抗癌药品的研制 AGRICULTURE REPORT September 25, 2001: Plants that Absorb MetalsBy George Grow (Start at 1'00

发表于:2019-01-02 / 阅读(42) / 评论(0) 分类 科技之光

Study Shows Vitamin E Increases Prostate Cancer Risk A number of medical studies over the years suggested that vitamin E, taken as a dietary supplement, might help prevent prostate cancer. But new research finds not only that the earlier studies were

发表于:2019-01-14 / 阅读(40) / 评论(0) 分类 VOA标准英语2011年(十月)

Scientists Suggest Adding Selenium to Diets in Malawi The study, which was published in the journal Scientific Reports, found that most Malawi soils do not have an adequate amount of selenium required for human nutrition. In the report, researchers a

发表于:2019-01-14 / 阅读(38) / 评论(0) 分类 VOA标准英语2013年(三月)

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(66) / 评论(0) 分类 纯正英语一分钟
学英语单词
3G
abutments
accustomation
altura
ante-patriarchal
anti-radiation drugs
art-mobilier
as affected by
astatic(al)
avian gout
banefulest
be replete with
Beniel
berberidifolia
best part
binary trigger
bisons
blk
board design
bring your own
cartinellin
charging resistance
chromosome flow sorting
compound twister
conditional indicator constant
consolidated debts
contactarm
continuous density gradient
convex round moulding
dance after someone's tune whistle
deferred sight
deplete semiconductor
doubleedged
earth-moving equipment
East Rajasthan Uplands
external idle time
Fisher particle size
fluorgraphic method
fuse pin
gasbs
Gbeyilebo
God's wounds!
gravitole
hexalectriss
hyde park corner
hydroginkgoic acid
incommensurate modulation
input/output channeller
iron-cementite diagram
jam/signal ratio (j/s)
kaljas
kiss better
Kιranlar
latent heat of transformation
leding
levant garlics
lionizer
long suits
lumbar
manganese(ii) chloroplatinate
marlinespike hitch
maximum cross adjustment
mechanical replacement
median cercus
membrane fuel cell system
misdescriptive
NBCD (natural binary-coded decimal)
new bond issues
new trial
one side limitation
organo-elementary compound
oriel window
orifices
oulonitis
oxyacetylene flame cutting
Paydown Factor
platydema fumosum formosanum
polar climate
proton exchange membrane fuel cell
pyrrosia gralla(gies)ching
Périers
quick start lamp
rare-earth permanent magnet
rereviewing
s-earth
scuttle frame
single rod piston
siphonous
stabilising bid
star begonia
Tamias striatus
transcription initiation site
treaty Indians
updoes
V-type derrick post
video jockey
voluntarly
water-salamander
wattminute
white metal liner
working holiday
Yukawa interactions