负透镜顶点

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(439) / 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(49) / 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(294) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(61) / 评论(0) 分类 2011年VOA慢速英语(六)月

英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative

发表于:2019-01-21 / 阅读(142) / 评论(0) 分类 音乐咖啡厅

图 graph 子图 subgraph 有向图 digraph(directed graph) 无向图 undigraph(undirected graph) 完全图 complete graph 连通图 connected graph 非连通图 unconnected graph 强连通图 strongly

发表于:2019-02-01 / 阅读(59) / 评论(0) 分类 实用英语
学英语单词
-fisted
a nice bit of
adrasion resistance of thin film
anti-trans
Astomatophorina
auxiliary law
Barbechitos
barochoric
base-displacement addressing system
bast fiber fabric
beginning circle of involute profile on external flexspline
blue bomb
Bursatte
busch-
Calcinea
celiomas
central branches
chinese character font dot matrix
chromosome arm
coleslaws
concrete useful labo(u)r
constant frequency variable speed
copy ... out
corestenoma congenitum
cucullia pustulata fraterna
current-maintenance
cuscuta reflexa roxb.
declivities
diffusion of neutron
digital assistant
dokoes
edelen
electrical strength
Euclidean polyhedron
fire protection strip
form coke
fuel economizer
full roe
gadella jordani
gertrudis
Guaratuba
Heteroglocales
high-intensity arc lamp
hyperventilation
impedance in series
inclusive terms
infra red physics
inorfil
intake velocity
International Maritime Organization
Keypro
Lesnoy
ligula
limnantenine
link pack area library
mammillotegmental tract
method of scheme
molybdenum hydroxide
myospasis
natural boundary
naval beach group
new-balls
Noordhollands Kanaal
oblique configuration
over agitation
pentachlorophenols
pictorial data analysis
play ... out
proof of algorithm
prunin
pullgrader
q.p., q.pl.
racing skiff
reach the base of the epidermal cell
recall switch
rocker arm bracket
rosa odoratas
schizothoracic
scorpaena onaria
securities swapping
slichter method
slicker spoon
sonar officer
speech coder
spiral prominence
spirit solvent
stationary seal ring seal seatretainer
stickwater
subscribership
tabes infantum
Teflonized
thermistor switch
trading station
typhlectasis
v. femoropoplitea
Vendean
voting through
weakley
Welshpool
worshipless
yell out