音标:[i,lektrəu'veiləns;-lənsi] ;
n. 【化学】;[亦作polar valence]电价;[亦称作electrovalent bond]电价键,离子键

什么是RB? RB的全名是 Rhythm Blues,一般译作节奏怨曲。广义上, RB可视为黑人的流行音乐,它源於黑人的Blues音乐,是现今西行流行来和摇滚来的基础,Billboard杂志曾介定 RB为所有黑人音乐,除

发表于:2018-12-18 / 阅读(204) / 评论(0) 分类 英文语法词汇

The Hammerheads Hammerhead These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve? One hypothesis is that having their eyes spaced far apart might give these sharks better 3D vision. Another hypo

发表于:2018-12-27 / 阅读(184) / 评论(0) 分类 英语时差8,16

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(238) / 评论(0) 分类 火星生命

By Gilbert da Costa Abuja 11 February 2008 Nigeria's leading environmental group has endorsed plans by the government to restrict the importation of used computers, in an attempt to control a growing e-waste disposal problem. From Abuja, Gilbert da C

发表于:2019-01-09 / 阅读(159) / 评论(0) 分类 VOA常速英语2008年(二月)

Stop making the eyes at me, I'll stop making the eyes at you And what it is that surprises me is that I don't really want you to And your shoulders are frozen (cold as the night) Oh, but you're an explosion (you're dynamite) Your name isn't Rio, but

发表于:2019-01-10 / 阅读(281) / 评论(0) 分类 英文最新流行歌曲

This handout illustration image created by Australia's Electro Optic Systems (EOS) aerospace company shows a view of the Earth from geostationary height depicting swarms of space debris in Low Earth Orbit (LEO), 20 Jul 2010 Australian researchers say

发表于:2019-01-13 / 阅读(197) / 评论(0) 分类 VOA标准英语2010年(七)月

The Hammerheads Hammerhead These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve? One hypothesis is that having their eyes spaced far apart might give these sharks better 3D vision. Another hypo

发表于:2019-01-17 / 阅读(181) / 评论(0) 分类 英语时差8,16

I Bet You Look Good on the Dancefloor Arctic Monkey Stop making the eyes at me, I'll stop making the eyes at you And what it is that surprises me is that I don't really want you to And your shoulders are frozen (cold as the night) Oh, but you're an e

发表于:2019-02-08 / 阅读(269) / 评论(0) 分类 好听的英文歌曲

LANZHOU, Feb. 11 (Xinhua) -- Northwest China's Gansu Province, home to the country's earliest nuclear base, plans to draft a new law on radioactive pollution control this year, the local government said Saturday. Lawmakers in the landlocked province

发表于:2019-02-17 / 阅读(210) / 评论(0) 分类 英语新闻

利用词根记忆GRE词汇是一种较为快捷牢固的方法了,通过词根可以将一连串GRE词汇串联记忆。下面是GRE词汇词根的gram部分,希望能够帮助各位考生快速记忆GRE词汇。 gram = write ,something written

发表于:2019-02-25 / 阅读(242) / 评论(0) 分类 GRE英语
学英语单词
acacia syrup
access road
approval letter
attitude measurement system
availability status code
average unit price
balkman
bas - relief
bedales
beta-gamma power
Bougainvillea glabra
centractin
Ceratomyxa
chemoceptors
Chilton
chromatomap
clopidol
cold upsetting
continuous-echo
countertrader
crits
dab hand
decremeter
dominance relationship
dossiers
edifying
EPT port
event trigger
fancyings
fast hardening concrete
focusing electrode
for no apparent reason
half birthdays
Hard page break
haydars
hectovolt
high-latitude spot
high-vacuum pump
incisurae interarytaenoidea
inverting terminal
isometric coordinates
Lands End
lesaths
Lidingö
long focal length lens
lumber dump
magnetic conductance
make our bread
metacentric method
mfp
microdispersions
Military Intelligence Section 6
Ministry of Health
mother-current
negative number
Nicholas V
nickel sulfate
nitratite (nitratine)
non-entres
nose-rider
Octalox
opens onto
pant leg
parelius
pcsr
percentile scale
peripneumonia notha
Phyllospermae
pilandite
Port Hawkesbury
press shell
propelling power deduction
prophet
radio-frequency unit
real-time debug routine
reality of laws
red-oak
reverse Ackerman
scram exhaust valve
semen theobromatis
short-stories
simple sedimentation
singular points
slave program
sliding carbile
sliprope
ST_changing-and-not-changing_mixing-and-mixtures
Stony County
storage in electronic data-processing
street betting
stretch receptors
sugarrefiner
Talembote
tender brake gear
tentorial pits
three-dimensional sphere
three-necked distilling flask
user coordinate
varicated
wild cassava
Win.
zaydehs