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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The ability to digest milk as adults, and as infants, actually, is due to the expression of an enzyme called lactase. That's the University of Pennsylvania's Sarah Tishk

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(二)月

今天学的词是top。作为名词, Top的意思是顶部, 顶端的意思。比如the top of the hill, 山顶, the tabletop, 桌面等等。Top也可以作动词,意思是达到或是超过。 有报道说,美国人口这个月将达到三

发表于:2018-12-30 / 阅读(78) / 评论(0) 分类 英语每日一词

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(71) / 评论(0) 分类 英语单词荟萃

句子:我国已开始第六次人口普查。 误译:China has started her sixth national population investigation。 正译:China has started her sixth national (population) census。 解释: population 可以泛指地区、城市或国家人

发表于:2019-02-01 / 阅读(34) / 评论(0) 分类 英文语法词汇

China's working-age population is expected to continue to decline in 2016 after 20 million stepped out of the market in the past five years, according to an expert. 一位专家近日表示,过去5年间我国劳动年龄人口减少了2000万,20

发表于:2019-02-07 / 阅读(22) / 评论(0) 分类 英语新闻

今天学的词是top。作为名词, Top的意思是顶部, 顶端的意思。比如the top of the hill, 山顶, the tabletop, 桌面等等。Top也可以作动词,意思是达到或是超过。 有报道说,美国人口这个月将达到三

发表于:2019-02-24 / 阅读(44) / 评论(0) 分类 学个词
学英语单词
adiabatic humidification
AF input level
age of parallax inequality
alimentary bolus
Alyan
amateur nights
anglepedestal
antenna signal distribution
antilambda hyperon
aquaemanalia
ball-shape
butt gum
Chantalskiy
chesse step
cinema eye
Clematis uncinata
Corispermum puberulum
crack gage
customer segmentation
cut-to-register
daston
denture hyperplasia
dl-Benzedrine
dollarized
down-bearing goat
drypoint
Dunǎrea-Marea Neǎora, Canal
ecological interaction
epicadmium energy region
Erb-Duchenne paralysis
evovae
executive diagnostic system
flexible-roller
fly-ash hopper
fredenburg
fredrick
garret window
gastroenterological therapeutics
gear crimping
Giro, giros
guanidiniums
hack together
Hallervorden-Spatz syndrome
handle of emery wheel scraper
hearing loss for speech
horners
hydrobiid
hydrothermality
hypochondries
igniting fuse
importer quota
in one's time
it takes all sorts
launching bridle
lending ceiling
Manikganj
masqueraders
memory allocation subroutine
metabolic process
microtropia
microwave thermography
millivolt (mV)
nanojunctions
non-von Neumann architecture
nonunique alternate key
octane numbers
on a batch basis
Ophiorrhiza pumila
partial heat of dilution
parturition calender
phase-sensitive detector
polarimetric
polrumptious
proportional pressure reducing valve
razor-billed auk
return current
saline solution infusion kit
Self-regeneration
Sellards' test
sensory gating
seven place logarithm
solid state control system
solid state injection laser
streptococcus sremoris
suction ventilator
surment
Termination of Salvage Operation
the asthenosphere
thenen
three - way switch
Tiapridal
tinchebrai
total lumen efficiency
TWTs
Unipen
unlavishly
unrepulsive
vertebral canal
washbasin helmet
white fringed orchid
wind instruments
woltering