重整后辛烷值增值

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(131) / 评论(0) 分类 英语听力文摘 English Digest

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 VOA标准英语2011年(十二月)

今天我们要学的词是experimental. Experimental 试验阶段的。The House of Representatives rejected a Republican bill that would give terminally ill patients the ability to try experimental drugs. 美国国会众议院否决了一项议案,

发表于:2019-01-26 / 阅读(118) / 评论(0) 分类 英语单词荟萃

WELLINGTON, March 23 (Xinhua) -- Fuel prices are at their highest level in nearly three years in New Zealand on Wednesday after the four main oil companies increased their prices by 3 cents. Shell, Caltex, BP and Mobil have raised the price of 91 oct

发表于:2019-02-02 / 阅读(128) / 评论(0) 分类 英语新闻

今天我们要学的词是exaggerate。Exaggerate, 意思是夸张,夸大。 He tends to exaggerate when talking about his accomplishments, 他谈到自己的成就时总爱夸大其词。北韩上周进行导弹试射,但导弹升空后一分钟就

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 英语单词荟萃

Anti-depressants are widely used to help relieve suffering. But after reviewing previous studies, researchers at the University of Pennsylvania may have hit on something that could change the way anti-depressants are prescribed. The researchers looke

发表于:2019-02-12 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(一月)

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(180) / 评论(0) 分类 2017年NPR美国国家公共电台5月

GRE改革之后,新GRE词汇量减少20%,但在减少的同时,新GRE对词汇的考察也加大了一定的难度。新GRE词汇是整个考试的基础部分,具有重要地位。以下是2012新GRE词汇:asperity,希望能帮助各位考

发表于:2019-02-25 / 阅读(146) / 评论(0) 分类 GRE英语
学英语单词
abbad
Academic and Accreditation Advisory Committee
acyclic-monoterpene
AM meter
area specific resistance (asr)
asperline
assessment in time of planning
ATNG
automatic letter sorting machine
balletti (italy)
bicycle railroad
blumberg
bonded system
borrow of
broadwise out section
broken birds
brown board
by fits and starts
castigate
cathodic evaporation
chloramphenicol eye oinment
city-scapes
clear sight distance
climb cut
cobalt-calcite (cobaltocalcite)
construction differential subsidies
counter-transport
delightedness
demarchies
discurrent
do you mean
ennobled
enumerable
Era R.
fiddlefarted
frame scanning
genital stalen
groundlessly
helium supply system
heptamethylnonane
heteropolar lattice
heterotransplant
HVM
hydrogonium anceps
hydroxyprolyl
hygienist
I LEC
iinstitution
improperty
isoseist
jump into bed with
Kharaulakhskiy Khrebet
laws of parsimony
leg-of-mutton
Lobelia colorata
matrix addition
mediated interaction
Metacom
metaphorics
micropsychia
mineral-rich
mosqueto
noise loading test
OIWC
omphalosotor
paste bag
pasteurellosis of cattle
perfect consonant interval
pernickety
pindowns
plain open chock
Plegine
predelay
proportion calculator
quebell
radiator overflow
rate of payment
resistance constant
ridgeway
running kilometre
sevares
skeleton line
skurred
sosaties
split explicit method
sporty suit
Summer Bridge
supervisory organ
sympathogone
tail up and down the stream
top circle
tortall
tuberculosis of wrist joint
undevelopable surface
unsolemn
urgent danger
virant
waterproof pump bushing
worther
Yamanigüey, B.de
Yosano Akiko
Zhumadian