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(171) / 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(163) / 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(177) / 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(170) / 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(261) / 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(184) / 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(317) / 评论(0) 分类 好听的英文歌曲
学英语单词
abdel-khalik
acid proof battery box
age of sea water
alternator regulator
Anemone smithiana
average quality protection
back-hair parts
barge train
be convulsed with laughter
bellowings
black oak
butynol
cahooted
carve-out
cathode follower detector
cleveland fiash tester
condominiums
coupling mechanism
crew pooling system of passenger train
crossconnected
César, Dep.del
decentralise
discharging mechanism
Doagh
easy-care
Echinococcus hydatid cyst
electrostress
etats-unis
fiber conduit work
final stage of decay
fixed collar
flexibility of macromolecules
function of the extent of reaction
geneva-baseds
gnophomyia (protogonomyia) confluenta
goldcup
heart palpitation
heroons
hop separator
hydriatrics
Impatiens macrovexilla
independent decision-making
ingredient of concrete
inital susceptibility
interest-bearing liabilities
Kakatahi
Karapuz
Klacid
knowledge-based consultation program
line-by-line phase inversion
mains circuit
mantry
marksmanships
marzetti
mercury spectrum
merises
mind-bogglings
mineragraphic microscope
Mitterrandism
most importantly
moulding mixture
multiplex endemlca neuritis
New Zealanders
nolle prosequis
non-destructive inspection
not that
noyces
organisation charts
organotropy
pan-
peak half-width
phytoscopic
potential enstrophy conserving scheme
pourpour
processus coronoideuss
production family
prolonged abortion
Ra's Tannūrah
rare minute echoes
rough scuff
roughhewer
safety arches
Sannūr
screw-thread pitch gauge
setting rule
six-day wars
Soldiers of God
Spiraea calcicola
ST_beliefs-and-opinions_changing-your-mind
strain threshold
strombus plicatus pulchellus
sub-zero treatment device
tapered reamer
taxi meter
tomorrowless
treatment-outcome
unfattening
unrisked
vebonol
Vicia tetrantha
virginia snakeroots
walk all over me