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(142) / 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(152) / 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(162) / 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(156) / 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(232) / 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(162) / 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(298) / 评论(0) 分类 好听的英文歌曲
学英语单词
alchy
allophony
Almon distributed lag model
arals
archaizes
barrier nursing
basic flight envelope
basion-bregma height
bbh
blue cat
bocconis
Bramwell feed
building pathology
centriclone
certificate creation
clamp over
computer cataloging system
continuity operating
corporeal movables
Cut a class
dangos
depositing dock
dijla
docosenoates
double-seamed can
duere
fission-yield
foreign court
Fouquet, Jean
friability test
fusaro
Galium manshuricum
intermediate crude
irradiancy
Ivanovskaya Oblast'
jet amplifier
Koungou
last opportunity
liquid lunches
lockstitching
Loring Air Force Base
lotus 1-2-3
ludas
mad hatta
motherland
motor-driven camshaft controlled traction equipment
navier stokes equations
noblier
nonacosanoic
nufenoxole
numbering dies
nummen
orthorhombic system
overanxieties
palaeodendrology
paleoichthyological
passionflowers
peierls transition
perveance
pilot gage
Presapiens
Qareh Urgān, Kūh-e
quillen
rainwater junction pipe
ratline hitch
relative major
reserve-transactions
revenue streams
roaring twenties
sand seam
schizophytas
scrap rubber chopping
securities realizable at short notice
self-adjusting automaton
Set Applications
shaggery
shahan
showing
simplex telephony
sirotnik
Soledad, R.
somatologist
Stagira
strecour
suck-suck
sulphinimine
tejanos
tell at a glance
tidal observation
to blather
touch-tone
tracing frequency
ultralight
Venafro
Verband Deutscher Schiffswerffen
violet stone (cordierite)
vygotskian theory
Vélez de Benaudalla
Wassigny
white-market
wide area
youngnesses