音标:[,pentә'meθi,li:n] ;
n. [化]环戊烷
n. A hypothetical hydrocarbon, C5H10, metameric with
the amylenes, and the nucleus of a large number of derivatives; -- so
named because regarded as composed of five methylene residues. Cf.
Trimethylene, and Tetramethylene.

圣诞节快到了,听厌了Jingle Bell吗?就让Jenny和Connor来为大家推荐一些不一样的歌吧。这些都是欧美正当流行的热门圣诞歌曲哦! 圣诞歌曲英语怎么说? 圣诞歌曲除了Christmas songs,还可以说:

发表于:2018-12-19 / 阅读(186) / 评论(0) 分类 美国文化脱口秀

Mary, Did You Know? - Pentatonix Mary did you know take your baby boy 玛丽你知道吗你的圣子 Would one day walk on water 有一天会在水上行走 Mary did you know that your baby boy 玛丽你知道吗你的圣子 Would save our sons and d

发表于:2019-01-10 / 阅读(171) / 评论(0) 分类 2015最新精选英文歌曲

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(184) / 评论(0) 分类 2018年NPR美国国家公共电台11月

So awesome, right? Another example is Pentair. Pentair is a U.S. industrial conglomerate. 很棒,对吧?另一个例子是滨特尔。滨特尔是美国的工业集团。 And about a decade ago,they sold their core power tools business and reinve

发表于:2019-01-18 / 阅读(180) / 评论(0) 分类 TED演讲国际问题篇

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(273) / 评论(0) 分类 英语学习方法

用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句:fourscore and seven years ago, 那么,怎样才能记住 fourscore 这个词而终生不忘呢?只要我们了解了fourscore 的逻辑思维

发表于:2019-02-21 / 阅读(192) / 评论(0) 分类 实用英语

【大森】美国sing-off冠军Pentatonix最新纯人声超赞翻唱Calvin Harris和绵羊音Ellie Goulding热单《I Need Your Love》。人声合唱搭配五彩缤纷的mv剪辑,让人眼前眼花缭乱的同时身体也不禁随着节拍舞动起

发表于:2019-03-11 / 阅读(324) / 评论(0) 分类 好听的英文歌曲
学英语单词
'Ayn Dīwār
aasen
axial diffusion casing
beartrap
bell-mouth joint
bio-life
burow solution
Capraia, I.di
cavalries
chrome firebrick
chrysalicic acid
coaster wagon
computerized system
conclusive
customs harbour
cyclopias
dipleurula
double-track bridge
dowel pin
Drew,John,Jr.
electricity arbitration association
equine ulcerative lymphangitis
etc., et cetera
farrugia
fishery vessel
float-grass
formation of cryptoliths
Foucault Michel
Friulan
frosting condition
Generalized Markup Language
genus Penstemon
graphic meter
half side-view
high performance virtual machine system
hyposesthesia
implicit obedience
increase during the year
industrial outputs
intrinsic coloring
journey work
keratomycosis
lag correlation coefficient
lay-man
leased territories
low-fit
manifold of states
medium oil alkyd
membranae testae
method planning
micromorphological
mode factor
multiple fork
myoneural
narrower-range investments
Nechayevka
officemax
okta
onomatopoeical
overblouse
parameter of model
peritectoid system
plate anemometer
plumbisolvent
pole of polar coordinates
priority seat
quasiconformality
radial wind
rate-of-rainfall recorder
regrinding of die
reliquify
rubidium oxalate
sacralise
sbaas
sequential file stucture
Simchath Torah
single-colour press
Slime-mold
Spinningdale
steel-willed
strain evaluation
surface fatigue failure
Svante August Arrhenius
swimbladder
T cell helper factor
tapped transformator
TDM (time-division multiplexing)
ternary hybrid rice
tetrapody
the award ceremony
the classes
thrap
three-stage network
toss a hat into the ring
trade surpluses
treaster
trip switches
unaccessional
untrustable
vomilenine
wire rope extensimeter
worm bearing adjustment