桶中精炼(脱除铬、磷、硅、钒等)

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850s Samuel M. Kier, a manufacturer i

发表于:2018-12-08 / 阅读(521) / 评论(0) 分类 新概念优美背诵短文50篇

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made

发表于:2018-12-15 / 阅读(295) / 评论(0) 分类 新东方背诵文选

Exercise 5-10: She lay on her linoleum and slid along the floor in anguish. A little later, she leapt up and laughed. She no longer longed for a leader to tell her how to live her life. Little Lola was finally all well. Dull versus dle Repeat after m

发表于:2018-12-27 / 阅读(105) / 评论(0) 分类 美式英语正音训练

Exercise 5-10: Dull versus Repeat after me. laid ladle lay dull To hear the difference between and, contrast the sentences, Don't lay dull tiles and Don't ladle tiles. lay dull ladle She lay on her linoleum and slid along the floor in anguish. A litt

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 美式英语正音训练

An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850 s Samuel M. Kier, a manufacturer i

发表于:2018-12-30 / 阅读(170) / 评论(0) 分类 考研背诵50篇

Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kier,

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 英语小短文

Oil Refining An important new industry, oil refining, grew after the Civil War. Crude oil, or petroleum -- a dark, thick ooze from the earth -- had been known for hundreds of years, but little use had ever been made of it. In the 1850's Samuel M. Kie

发表于:2019-02-25 / 阅读(157) / 评论(0) 分类 双语有声阅读
学英语单词
a PM
absorption inductor
administrative detention
anaerobian
anemoarenyte
atropurpureas
aubergine purple
back in time
baikie
bartending
Bergmann's rull
black-backs
blanket of nitrogen
bringout seedling from storage
califon
catahoula
Celidoniol
chondrichthians
coefficient of homology
cornerstones
cuprene fibre
dame agatha mary clarissa christies
Dell Rapids
demour
dewey decimal systems
down low
drew a word sketch of
drosophillela xenalocasiae
eco-system
energy projection operators
engineering parlance
entrance signal
estimated of expenditures
examination of materials
ferule
final interview
gall aphid
galvanised wire
generalized preferences
Graecizing
gynomerogony
hash sequence
hot-work steel
hype cycle
image rejection
infinite life
international language
lamp-holders
leahies
link regulating motion
macroglossum ungues cheni
macrothelypteris oligophlebia var. elegaus (koidz.) ching
Mahlaanobis distance
males-males
micro and semimicro viscometer
minimum-signal level
mislodging
misrepresenter
non-genetic variation
not to exceed
PCNV
pilot burst mix
power-stations
reciprocating plant
relay shock absorber
remote attack
Republigue Malgache
responsively
RLaB
rubber tyred crane
satisfactorinesses
sender comment
short-sighted
signal polarity
simultaneous differential thermal analysis and microscopy
slight soluble
slop up
staged combustion
Sterling Heights
stromathylakoid
strumpeted
taking the air
talks up
telomers
thin-ice
Traunstein
trend-setting
turbo-ram jet engine
two level maser
undermeasured
unprefigured
User Network
valve link
vanadic acids
Vumon
walker crank
wallace stevenss
white seam
wind force scale
Yatay
zoospore