硫酸钡混悬液

Lesson 17: The longest suspension bridge in the world 世界上最长的吊桥 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 How is the bridge supported? Verrazano, an Italian about whom little is known, sa

发表于:2018-12-08 / 阅读(720) / 评论(0) 分类 新概念英语第三册

By Zulima Palacio Austin, Texas 20 January 2006 watch Suspension report Electric suspensions offers more stabilility One day, exhausting car rides over bumpy terrain, with all the dangers and damaging

发表于:2019-01-13 / 阅读(117) / 评论(0) 分类 2006年VOA标准英语(一月)

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

One by one the cryonic systems shut down. One by one the people returned to life, among them Victor Kemmings. What amazed him was the lack of a sense of the passage of time. He had entered the chamber, lain down, had felt the membrane cover him and t

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 英文短篇小说

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(49) / 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
advanced tactical aircraft (ata)
alias number
allectus
Androsace bisulca
ANGLICO
baumgarten
bees knees
BG
block train
blow-off connection
bow door lock
buff glazed paper
bugboys
campus plaza
carcinogenic action
Carmichael-cell
cholekinetica
closed cycle system
coal-cleaning
comfort stations
core-and-shell structure
cycle of nutritive materials
deadbeat response
dilute phase fluidization
discrete quadraphonic system
djerejian
Ebstein's sign
electrode stroke
en croix
Eomoropus
excubitor
extra train
falling sphere test
Fax Mode
fighter-bomber
fin height
foaming persistance
frontispices
gate delay variation
goodenow
goofing up
ground communication tracking system
gruber
haddens
hersall
high-leveraging
immunological rejection
inside wiring
intercommunication speaker
intersecting storage ring
k.davis
Lacroix-Barrez
latent content
lemon-scented gums
let someone have it
like unto
linbecks
Luzhou
m.h
macroscopes
needle palms
negative assets
Nicodemus
non-compensable
nuclear logistic movement
oligosorbent
oxonium
phenylnitrile
polyphenyl ether resin
polystyrene riser
pressure impregnation
primary teeth
progress of works
progresso
proterobase spessartite
provisional injunction
pulley rim
revenue stream
rigidified rubber
rumless
salvinorin
shore-face terrace
site natural condition
sixth crusades
special promotion
spike train
splenophrenic
srees
streptogramin
Sulawesi, Laut (Celebes Sea)
sure card
syrinx
times and again
toroidal core memory
transistor logic circuit
transoceanically
unreasonablenesses
V. S.
waits
wordscan
Zimmerman's polkissen
zuh