硫酸镝

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(111) / 评论(0) 分类 世界各地新闻集锦

Science and Technology 科技 Rare earths and climate change 稀土与气候变化 In a hole? 陷入了危机? Demand for some rare-earth elements could rapidly outstrip supply 某些稀土元素可能很快会供不应求 MANY plans for reducing t

发表于:2019-02-07 / 阅读(86) / 评论(0) 分类 经济学人综合

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(109) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(189) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
-azoline
110 camera
aerial larva
African coast fever
air-sac
Akalkot
Alrewas
Anochily
Arretine
at one's time of life
autofocuss
benzomorphans
besides compost
bilge slop
black-green
bonderization
boron trichloride
Braxton-Hicks sign
bulgies
cocaine abuse
collision avoidance radar trainer
conjunctive task
cracking zone
cyclotron magnets
D-Aspartate
denitrifying bacteria
disposories
double-theodolite observation
echeloning
endo/cystoscopy
enteric drainage pancreas transplantation
extraction opening
fabric axis
ffip(final flow-in pressure)
fine moist rale
floatation depth
four-element theory
front ratch
generalized heat capacity correction
Great Exuma
guanyl guanidine
helium isotope ratio
high and tight
high-density polyethylene
horizontal holding range
in my place
insect sterile control
institute of human relations
intelligent programming environment
internal slope impedance
iodine green
irrelapsable
kidney-Yin
latest design
like to
Littlestone-on-Sea
Malyy Chaunskiy Proliv
manual alphabets
Manz's glands
mega-scale
mimeograph machine
Mālākhera
natrium tartaricum
nickel chromium cast iron
non-delegable
nonmysteries
optical character redader (ocr)
orificium urethr? externum
parabythocythere pacifica
periosteotomy
pingpong tables
Populus grandidentata
porterag
previous decade
prosult
proteles cristatus
Pulling Tension
radioisotopic
raw matte
recombination probability
reconnaissance airplane
residual fulx density
resquaring shears
rotary disc meter
Rotaspora
roughing-ups
saltpetering
set one's mind to
successful
sweet lovin'
tanypus formosanus
trachinotus blochii
tractus spinalis n. trigemini
transitional type
tserenox
ungraded
varian
vesicular column
wave energy rose diagram
well-equipped
woodbinder
wrawls