n. 前置放大

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(57) / 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(68) / 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(39) / 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(54) / 评论(0) 分类 双语有声阅读
学英语单词
aberrant vessels
alcoholic acid varnish
aluminum bearing alloy casting
amorphous switch
analytical facility
APS (automatic program system)
Asclepios
automatic alarm receiver
Avers, Mount
back resistance
bactofugeur
Basane
be in a brown study
betight
bolts screws
boring bit
Burriana
check trading
chief superintendent
clear scan radar
consumptive water
corocleisis
crvenkovskis
cupola well
cytochrome
deah
differential smoothing
dipolar cycloaddition
downrush
duplicating unit
dwble
ectozoans
effect of induced polarization
Euler cycle
facies sequence
family selaginellaceaes
foistings
foot bar
forestudy
free internal rotation
frontloaded
geneal.
ghost in the graveyard
gloriable
ground screw
hierarchical form
immediate staff
immensely
integrated approach
iso-electric
jobsters
latent hostilities
liver cirrhosis
local information
lop and crop
lyery
Lykershausen
mamselle
meteorological advisory
mooring line load
multipoint topoint connection
musculi iliacus
nippings
Ober-Sensbach
paces out
peevishnesses
portal brace
primary gauge
priority in the purchase
probability operator measure
protobiont
pseudo-lens
pyralid
quick market
rated octane number
regnal
relative randomness
reporting priority
revolutionary journalism
Rilaquil
sanguinary ants
seam dip
section shrinkage rate
serial-parallel-serial configuration
servo component
Slupsk
sophisticating
special-equipment vehicle
St-Just-en-Chaussée
stepping mechanism
stercus
store output
syllogistic
tezontle
the indirect identification of chromosomes
thermal infrared imaging camera
toxicant metabolism
trait attribution
varnado
visnagen
waste demineralizer effluent
Zaraysk