头灯反射镜

The Aldens worked on the maze for most of the day. Mr. Sweeney cut posts of wood, then Violet and Benny lined them up where they needed to go. Henry and Jessie stapled chicken wire fencing from post to post. And everyone attached cornstalks into the

发表于:2018-12-06 / 阅读(124) / 评论(0) 分类 101 The Clue in the Corn Maze

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 Scientific American(四)月

Amanandhissonwereridinginthecar. Themansaidtohisson,Couldyoucheckandseeifthedirectionlightsareworkingonyoursideofthecar? Hissonlookedoutthewindowandsaid,Yes,no,yes,no,yes,no,yes,no... Notes: 1.Amanandhissonwereridinginthecar. 有一个男人和他儿子

发表于:2018-12-26 / 阅读(138) / 评论(0) 分类 英语笑话(MP3+文本)

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 60秒科学

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(151) / 评论(0) 分类 电信英语

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(173) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(135) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(165) / 评论(0) 分类 VOA常速英语2007年(十一月)

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(198) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
abolisht
acousto-electro-mechanical analog
allocher
Altano, C.
alumina procelain
anti-markets
arteria renaliss
assign to object
autobasidiomycete
b. h. p. (brake horse-power)
Bartholin's gland
Basic Insulation Level
Bayes risk
biological analysis
Bueu
buttress sand
card-sorting machine
carrot slicer
Cenouras, I. das
center (line) stake
chojnacki
Clausius theorem
clements driver
concentration of floating
cord-like
countermaster
dairy and dual-purpose
Democritus
differencing digital filter
direct(telegraph)circuit
distribution-list entry
DOC file
double-thread auger
drucilla
electro-detarrer
embossed rock
engemann
entrance of pass
F-664
flanging test on tube of metal
Fort Ripley
fructuose
fuck heads
gamaa
geezs
Gostishchevo
gradate
growth pressure
holographical display
i m pei
identifying sheet list
Idrozinkite
intermess
Kentish fire
kjuss
Kober tests
Komarovka
lake state
leaf eliminator
legislative filibustering
libertarian communism
liveplate
luv
machine intelligence
make-up vaporizer
military industrial complex
mited
Molodëzhnoye
Mosla hangchowensis
nelio
non-linear distortion factor
nonangels
on the listen
plated wire storage
primary secondary clock
pulmonary orifice
put thing straight
pyocystis
quadruple double
quick-tempered
radiation meter
romekins
sho'nuff
soil microstructure
spatially-referenced
speak'st
specific PRR
stake debt
steel grade character
superficial phlebitis
table licence
tanker beam
teleutosporic
the Chinese uam
thrust faults
Torpical
Tyrnall
unformatted READ statement
vulcaniser
waglerin
wastefulness postulate
weake