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(123) / 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(139) / 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(152) / 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(146) / 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(221) / 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(150) / 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(290) / 评论(0) 分类 好听的英文歌曲
学英语单词
a-game
Adina asperula
affier
Altaic
arterioplegmus
biochemical specificity
black cable
bodysnatchers
borne out
catehode ray
condition of plasticity
corporatizations
crackpots
curvilinear regulation circuit
cycling circuit
cylinder cut
Danaides
degraded redundancy
deodorization by oxidizing process
deterministic decision
differential ebulliometer
dopaminergic pathway
double noncentral f distribution
dubstepper
duty receipt
effascinable
Ellesmere
environmental organization
ethylene glycol
extended term policy
fat salting
french-american
Friday I.
grid-spaced contact
grouper
hephaistoss
Hoist away!
industrial laws
inocente
intermediate transmission
iron oxide type
iso-agglutinogen
kiotomy
Laitmatiphobia
lead-containing alloy
lethe insana formosana
lifetime limitation
long wave infrared radiation
lubricating oil residue tank
lumbo-iliac
Macroassessment
N2O4 cooled reactor
normandie
Obedrex
obtuse buoy
one-halves
pallify
panmictic
paper liner
paper overlay board
parallel plate viscometry
part of sphere
peace symbol
penaeus latisuleatus
pipe leg
plutonium chelate
polyester mimeograph film
radar sight
rapid set
region of ultimate boundedness
resonance bond
schlafrock
Schlegel diagrams
scomfished
set something against something
Sheng Xuanhuai
shock pulse
shoulder board
silazanecarboxylic esters
sphentresia
spongocoel
stately
statuit
streght
Strophanthus sarmentosus DC.
subalpine altoherbiprata
subprojective
telescopy
temporaries
tension straightening
thin skin
toggle actuator
topic drift
torque multiplier
Traffic flow security.
triborates
two-head helical-scan video tape recorder
unimodular eigenfunction
Universal Plug and Play
vertical triangle
wheel-type soil stabilizer
zinner