子束穿透式电子束管

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 不择手段背单词

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 英美文化

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(120) / 评论(0) 分类 美国习惯用语

BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn

发表于:2019-01-16 / 阅读(170) / 评论(0) 分类 伦敦生活

A young girl was told she needed an X-ray. She went in and seemed especially nervous. When she came out of the X-ray room, she told her mother, They took a picture of my bones.Yes, dear, replied the mother. Did everything go all right?Sure, said the

发表于:2019-02-07 / 阅读(83) / 评论(0) 分类 趣味英语
学英语单词
absolute defence
accident information management
acetylene regulator
adiantaceaes
aerolite
air exclusion zone
anisoplanatism
antipolarizing winding
baddeleyit
bead-hook
Besentol
bio-scan
biological aerated filter
bottom side door hanger chain
Buxbaumiales
canon in seventh
Center Moriches
Chamberet
channel axis
charge conveyer
chemical intermediate
chirurgy
chromocytometry
clarinet-player
closely-spaced tube
coastal trade
coaxiality
computer-simulation mode
conformal projections
congestive abscess
conifer
contemporist
curdly
cycloparaphenylenes
Deh Kavīr
double layered text editor
electric moisture meter
engineering geological
falling weight deflectometer
Fassaggoni
generic top-level domain name
genus Sarcobatus
Ghorabari
glabellar furrow
grey component replacement
horn-owl
hypoovarianism
hypothalamic regulating hormone
imagery training
isoanabaric
jizz on
kathode
leafy spurge
Little Dalby
live stellarator
loss of radio-link continuity
melanth
menstrual exanthema
mercury naphthenate
messup
meter-out system
microwave spectroscope
multiengined aeroplane
Ndutu
neutron packet
nevyne
nicotinic acid
NJM
ntrs
Oliver County
out-spit
outer area
packthreads
pasteboard binding
poerson
political analyst
power shears
pre-investment programme
protogonous
rediverts
regularseason
right flexural artery
root fusion
scotomameter
short period premium
tax-evasions
thirty-second note
tie-ups
Tovégan
toxemic jaundice
trochantins
ultra-high voltage electron microscope
ultrasonic phacoemulsifier
underhaul
unisensory
ureteral colic
UUID
vandenboschia clathratum shieh
vfr freeway
vicia villosas
walkouts
woodland pasture