[化] 碱精制; 碱炼

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(589) / 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(359) / 评论(0) 分类 新东方背诵文选

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(234) / 评论(0) 分类 考研背诵50篇

alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的

发表于:2018-12-30 / 阅读(204) / 评论(0) 分类 80天攻克雅思核心词汇

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(202) / 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(203) / 评论(0) 分类 双语有声阅读
学英语单词
-ean
AETVO2
ahhhhhhhhh
alogotrophy
an arm and a leg
anionites
astrologizing
atomic object model
atypical leukemia
baccatin
backup trunk
bail in error
block reference set
carbide method
carbon contact pick-up
caronnyl-monothio-acid
center-part
chartered vessel
china pencil
chromboridizing
cleansing mixture
combined condition
database description
degree of prestressing
discount on lease obligation
Distoma japonicum
double-motion raddle mixer
effective output of heat engine
effectss
Elliott wave theory
embossed printing
equal protection
external abdominal hernia
external electro-optical modulation
feoffee in trust
frequency offset transponder
gas-flame brazing
glass fibre covering machine
ground water elevation
IMPATT diode
interpersonal communication styles
Laetare Sunday
level-enable signal
linkup
Litec
lithamide
Lora, Pta.
low-temperature flexibility
lymphangio-cavernoma
maffickers
meliosma wallichii planch.
message map
milling groove
Mindel glaciation
minimum possible value
multiplying digital-to-analog converter
musca (byomya) ventrosa
new markets
notifying
orographic depression
partitioning off
pay duty under protest
performance computation
pre-collision
preservative injection
pseudomalignancy
pull in the chin
pure benzol
railbanking
re-expanded
residual righting lever
ring mold
run heavily into debt
secondary acid
showed off
single-set
singultuous
smoke stone
Squama Manis
SRBP
Syngabidae
tabulating
Talaings
teleprocessing network
tensomes
the downtown district
thers
thin aerofoil
thymidylyltransferase
to call at a port
total loading time
tube coil
Tudorized
tunger tube
type as
Třešt'
validify
variable capacity amplifier
vascular surgery
vector function generator
vertical-type resistance dynamometer
vetala