[医] 硼硅酸铅

This is one of the reasons why Canada, 这就是为何加拿大 originally a climate change hero -- 它原本是环保英雄- we were one of the first signatories of the Kyoto Accord. 我们是第一批签署京都议定书的国家之一 Now we're

发表于:2018-12-08 / 阅读(48) / 评论(0) 分类 TED演讲娱乐篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2018-12-26 / 阅读(45) / 评论(0) 分类 自然百科2010年

Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

发表于:2019-01-03 / 阅读(71) / 评论(0) 分类 VOA2003(上)-科技先知

Heat-Resistant Glassware Celebrates 100th Anniversary 耐热玻璃器皿诞生100周年 One hundred years ago, a new kind of cookware entered the American market. It was called Pyrex. Today the Pyrex name is well known in the United States. The heat-

发表于:2019-01-12 / 阅读(47) / 评论(0) 分类 2015年VOA慢速英语(六)月

And we're replacing that with the largest industrial project in the history of the world, 将它转变成史上最大的工业项目, which is producing the most high-carbon greenhouse gas emitting oil in the world. 生产温室气体排放量最大的

发表于:2019-01-18 / 阅读(31) / 评论(0) 分类 TED演讲商业篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2019-01-22 / 阅读(45) / 评论(0) 分类 自然百科2009年
学英语单词
a hundred percent
abseisin
accumulated temperature?
Alveoli dentales
anthrone dye
belongingnesses
Betsovet
bids up
blood sister
boron plate
boron-filtered neutron
broadmead
channel iron
Ching-ming
Chynava
closegrained
clostridium acetobutylicum
cluster joint
Co-lead manager
core coil
countermodulation
De Queen
demissly
dirkson
do me a favour?
Donji Dušnik
durrey
each-where
effective nuclear radius
expenses standing order
ferrisulphas
fractionated sedimentation method
gamepads
gauge finder
giant grid
gingival atrophy
goes missing
hakuho-maru
Halaphone
hanena
hydro planing
indo-europen languages
inocubating
insphere
j-school
japanese maples
joint stock limited company
joyridings
kiln burn
L Bar,L.beam
lignanolide
lindberghs
lsx
make a guess at
massic heat capacity at saturation
matookes
metal-oxide-semiconductor memory
meteorized
moroxydine tablet
musculus senhousia
N-acetylneuraminic acid
neolutin
Nicollet County
nursery farm
obverse
opioid
orhon
patrifocal
Paulician
peacock king
PMN (program management network)
polyphenol-formaldehyde resin
principal debtor
proof corrections
pull length
pyridol
ram blow out preventer
read someone like a book
Reader's Block
recovery percent of reserves
rectangular skip
rock pythons
secondary vortex after cascade
sheet grid
sp. nov.
speak within compass
steam-quench treatment
supernamerary rainbows
Tetrastigma tonkinense
trabs cerebri
tracheal ring
transitive verb form
translocons
tree polynomial
tryptophan pyrrolase
under-air
up perclassmen
valence alternation pair (vap)
video detector tube
woodlanders
xerophytophilous
zejnulahu