un. 甚大相对孔径物镜
[网络] 超大孔径物镜;甚大光强孔径物镜

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

One of the world's most amazing migration is about to begin in earnest: 300 million monarch butterflies spread across North America are about to converge on small forests in the mounts of Mexico. This year, the butterflies have an unusual company as

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 2005年NPR美国国家公共电台

By Robert Berger Jerusalem 14 November 2009 An ultra-orthodox Jewish man is seen next to Intel's Jerusalem office building, 14 Nov 2009 Alleged violations of the Jewish Sabbath by a top international company prompted religious protests in Jerusalem

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2009年(十一月)

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(102) / 评论(0) 分类 2017CRI中国国际广播电台

By Phuong Tran Dakar 25 April 2008 What started out as Africa Malaria Day was being observed worldwide for the first time on Friday. Health organizations have long said that most of the one million deaths every year attributed to malaria happen in Af

发表于:2019-01-31 / 阅读(70) / 评论(0) 分类 VOA常速英语2008年(四月)

BERLIN, Nov. 8 (Xinhua) -- Home side Leverkusen cruised to a 3-0 win over Rapid Wien to wrap up their third win in Group K and a ticket for the round of 32 in UEFA Europa League on Thursday. The Werkelfs sits on second position in Group K after this

发表于:2019-02-13 / 阅读(40) / 评论(0) 分类 英语新闻
学英语单词
adenectomy
agnathia
Ambresin
analytically complete family
artificial signal source
ashmore and cartier is.
bar warp machines
baresthesiometer
basementfuls
Becsvolgye
bergfeld
beten
Bird Sound
black blowfly
bold face letter
Bossoum
Burnet, Sir(Frank)Macfarlane
Capolopopo
cash collateral
catenation operator
censura
cinereous vultures
clipping level
community affairs
component relation constraint
crankos
cross-roughing
detected fault
Diospyros kaki
dualies
Dur ham
East.
effascinations
female support ring
fennec-fox
fibrous cellulose
forewarn
harmful dysfunction
heading statement
hemihydrate process
hog hair meal
honerable
hosta lancifolia engl.
hoy i.
ichthyie
Iruya
Kaitij
kashin
leading ramp
lift hammer
loading tower
look see
mainplanes
Margilon
meles
moisture content critical
niftiest
no-huddler
non-accountable
notochordal plate
nurse-patients
objects of expenditure budgeting
oesophago-
Oppeln
out-by
parlourmaids
Pekingology
penal' terms
pepper oil
potential buoyancy
poverty-alleviation
prepayment of freight
prestressed ground anchors
rabbette
refractive ametropia
reverse regression
rosa multiflora var.carnea theory
sectio agrippina
semi-logarithm section paper
Sigillo
simulium (montisimulium) chowi
single-apertured
smooth millboard
spegazzinia deightonii
sports teams
sudden cosmic absorption
supplantations
syngameon
Tae-Bo
take it from the top
tandem electric drive
terrace furnace
tetaniform
tie element
Toxicodendron griffithii
Truncus vagalis posterior
uk -ridden
volva volva volva
wall sampler
wardrobe department
wipm
Zornia intecta