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(298) / 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(278) / 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(530) / 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(314) / 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(439) / 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(327) / 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(472) / 评论(0) 分类 好听的英文歌曲
学英语单词
3'-amino-3'-deoxyadenosinc
a peck of troubles
accretion by black hole
adaptive signal processing
aimo
align oneself with
arthrokleisis
bed push
Bene Beraq
bobbled
Brill-Symmers disease
calicle
cinocentrum
cleath's head moth
colletotrichum gloeosporioides
colo(u)r television engineering
contemporary literature
counterinsurgents
delay line capacity
Delta-CPRTEF
dewiring
diacetyl acetone
diagnosis of plant nutrition
double account form of balance sheet
drift float
el bahluliye (al bahluliyah)
El Cimarrón
epitimesis
esophagical
EUUP
eventdatas
extrapolated viscosity
feature deduction
froning
frontal sinuses
gloeosporium venetum speg
glove fabric
goldbart
Gryazinskiy Rayon
heating stove
high lateral order
interest-sensitive
interrupting rating
jacquardlike
kalm
khidmutgars
Kiwi nuclear reactor
litchi
locomotive pulse
log symbol
manciple
manufacturer's data report
manufacturing expense in process account
meandering forms
medium pointed
multi-detector chromatograph
Mysovaya
naso minor
neutral mode
on the lookout for
onset of monsoon
Openbox
Orobanche sordida
oxhp
part item job
patent watching search
pectus excavatum
perforated layer of sclerae
plumbum cinercum
porphyrites
posterior paralysis
pseudo-cleft sentences
receipts and disbursements
resistance rooling
rhombohedral holohedral class
riddlingly
rotary mud separator
safety log-waggon
scrwe
sharp line spectra
signal information
sound culture (africa)
spark-erosion perforation
sphegina apicalis
spoke up for
spokesperson role
systematic pedagogy
t-pieces
tawks
temperate grasses
time to impulse flashover
time varying parameter
tripropyl amine
tunic coat
venerance
venerist
water-gurgle test
wedge buckle
went deep
World Muslim Congress
Yokoze