扩大模式

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 美丽新世界

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(47) / 评论(0) 分类 中英双语新闻

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(三)月

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(38) / 评论(0) 分类 TED演讲国际问题篇

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(53) / 评论(0) 分类 双语有声阅读
学英语单词
accessory channel
acid fondant
Adelanthaceae
amplitude modulation single sideband
antianemics
arteria tympanica superior
Bargrennan
bella
better prenatal care
binnacle hood
black light
boundary value control
brevissima
bromonium ions
bulk shielding reactor
bulked-up
bull ants
Camphophyline
centress
ceremoniousness
cines
cohesive failure
colony counter
come up with the goods
CPY24
cyclomorial scale
disaffirmed
Dul'durginskiy Rayon
Duponol
electro-erosions
emission coating
export goods
eyeshot
fescue grass
field-bed
flow friction characteristics
Forrester Island National Wildlife Refuge
Fourier analysis dlg
general devise
general power
glycyrrhetinic acid
hohensalzburg
hull surface
interstitial lattice site
intracanalicular
invariance imbedding
Isaka
ISOMN
john eccless
large power transistor
lateral frontobasal artery
lean misfire limit
liablest
limy
linguine, linguini
lion heart
megacalyx
mother countries
nahr
near-extinctions
netbuilders
neti pots
night-shirt
noltes
nonlinear network measurement system
notice to mariner
notification of claim against carrier
Novoyur'yevo
nubilest
oxethyl
phloxes
prahuss
right-wing-down attitude
Roberval's balance
sanitary quality
shieldships
single-cotton double-silk covered wire
sloping name
slow to release relay
standard weather
support interference correction
take a brief
Territorians
the Church of Scotland
theory of innovation diffusion (tid)
third circle gonimometer
three-axis
three-dimensional models
tilt-mould
tubera omentale hepatis
turbo-compressor rotor
unsmoking
urinary breaks
valve butterfly
village college
vomitingly
well-exposed
writing-off process
you're a genius
zimm
Zymobacterium oroticum