电子透镜聚焦

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(441) / 评论(0) 分类 2018年VOA慢速英语(二)月

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(50) / 评论(0) 分类 2011年VOA慢速英语(六)月

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(295) / 评论(0) 分类 2018年VOA慢速英语(三)月

THIS IS AMERICA - Debate Over Electronic Voting By Jill Moss Broadcast: Monday, July 05, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Gwen Outen. VOICE TWO: And I'm

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 This is America

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2011年VOA慢速英语(六)月

With consumers rushing to buy the latest gadgets, the problem of what to do with discarded electronic products is becoming a growing environmental concern. Although electronic recycling is not yet as popular as paper and plastic recycling, two Americ

发表于:2019-02-12 / 阅读(59) / 评论(0) 分类 VOA标准英语2010年(七)月
学英语单词
accumulative cost
Amaradia
anemone nikoensis maxim.
arrises of joint
Art Blakey
as American as apple pie
blackheaded
bledde
bowl experiment
bunsen coulometer
calyces(pl.)
camphorize
captive tonnage
cardiofiberscope
coffin lid crystals
coleophorid
colliery waste brick
comparative interest
corner structure
crankpin load
danger zone
differential weathering correction
differentiating time constant
drag chute
ecbasis
electrohydraulic tracer head
emmetropes
environment pressure
fan shaped washer
fermance
fire-proofing preparation
fruit-picking
futur
genus photinias
geologic
hat tree
heaving-line bend
houseagent
hydraulic bore
ibm 709
image analyzer
inbound flight
inner behavior
intercurring
jacking gear motor
jump rise to the bait
latebrose
lenticular arch
Ligularia biceps
logfileoff
luff earing
magnetic particle inspection
Malva pendas
manometabola
mathematical statistician
Meconopsis napaulensis
meliosma squamulata hance
modern code
multifont optical reader
natural reseeding
nickel iron battery
North Astrolabe Reef
obligors
odd numbers
one's fate is sealed
phethenylate sodium
Phosphate-allophane
physiological activity
polystichum obliquum
proof stress
put the boot in
quantronium
radionecrosis
requisite documet
resistance-type strain gauge
ridge drilling
rogue-state
roughness element
sarcobiont
second order theory
second pendulum clock
senkoes
single end windlass
society-at-large
soft white gum
subserosa
subsieve size apparatus
subtlenesses
sulpherous
surpassingly
tetratohedral
the construction of housing
thermogenic respiration
to rip up the back
trademark science
trans shipment cargo
tumo(u)r of larynx
uperization
wearin'
Wiederkehr
Wilson County
zlev