[机] 芳基硫酸, 硫酸氢芳基酯

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 VOA2003(上)-科技导航

SCIENCE REPORT — February 7, 2002: Fuel Cell Cars By Mario Ritter This is the VOA Special English SCIENCE REPORT. The United States Secretary of Energy, Spencer Abraham, has announced a program to d

发表于:2019-01-02 / 阅读(48) / 评论(0) 分类 科技之光

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(68) / 评论(0) 分类 Explorations

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(66) / 评论(0) 分类 世界各地新闻集锦

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(50) / 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(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
addendum increment
all-seaters
ALTHQ
antibody forming cell
ascribed statuses
augmented ninth
be far from
beam direction factor
Big Beaver Falls
Blephilia celiata
broadside refraction shooting
buffered crystalline penicillin G
c.h
cancer mollis
carbis
carpinus cordata var. chinensis franch.
cocoa-acke meal
collocutory
counter electromotive force
cuzick
cytoplasmic bridge
dehistoricizes
Double Guts
Duvaron
early finish date
eusebios
fixing hoop
floating link
gene allele
genus Euarctos
Goll's fibers
Gonyaulacaceae
good intention
happy hunting ground s
hot type
hydrophilic molecules
increase position
inlawing
jennetts
k-a-y
Kanin Peninsula
key ... in
knows the score
Kra Isthmus
La Roë
labour management department
landswoman
leadlined
linear differential game
look right through
maximum rotation speed of rotor
memory area
methylglycocyamine
microhemorrhages
mm. interossei dorsales
multiplication congruent method
Mužlja
negotiabilities
noncarbonate
nose heavy
nunlike
orange-crate
P T Barnum
palletise
panduras
phycosecids
plane of kinking
pleuronema thujopsidis sawda
Polygonum paralimicola
price discriminations
pythonic
quantum chemistry
reconnaissance exercise
Rokan, Sungai
rubipodanin
sale-room
skerritt
slimier
SNSE
social security card
St.Jude bileaflet valve
stand-off distance
step winding
stewartia sinensis rhed. et wils.
striking weight cartridge
Sulfralem
syr
tactical control console
teacher-participations
Tietze's syndrome
time of fertilization
torque feedback test
tragi
turkey fattening verandah
U.S.attorney
unlus
veto-proof
waiting-list
waxed tissue excelsior
weight of a measurement
Yakhāb
youngster