[电] 表面波输送线

23The Lord said to Moses, 2Speak to the Israelites and say to them: 'These are my appointed feasts, the appointed feasts of the Lord , which you are to proclaim as sacred assemblies. 3 'There are six days when you may work, but the seventh day is a S

发表于:2018-12-05 / 阅读(136) / 评论(0) 分类 利未记

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(161) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack had to find out more about tsunamis quickly. He read as fast as he could: A tsunami can strike a few hours--or a fewminutes!--after an earthquake. It depends on thestrength of the earthquake and where it took place. After earthquakes, it is safe

发表于:2018-12-10 / 阅读(112) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

[00:02.31]Forests [00:03.63]The world's forests are the natural habitats [00:05.99]for millions of species of plants, [00:08.33]insects, birds, reptiles and mammals. [00:11.68]They also help produce clean oxygen. [00:14.47]Because of illegal logging,

发表于:2018-12-13 / 阅读(147) / 评论(0) 分类 北师大版高中英语模块8(选修)

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(140) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Worlds within Worlds First of all let us consider the earth (that is to say, the world) as a planet revolving round the sun. The earth is one of mine planets which move in orbit round the sun. These n

发表于:2018-12-31 / 阅读(130) / 评论(0) 分类 有声英文阅读

The male usually leads. If the female is sufficiently impressed, the pair seal their relationship with a vocal duet . King Penguin rookeries are very busy places. Every morning at about 6:00, the adul

发表于:2019-01-02 / 阅读(170) / 评论(0) 分类 冰雪童话

And it'll be a permanent presence 这将会是长程计划 where each mission adds more capability and eventually 每次登月任务都会增强我们在月球上的作业效能 we'll just have people living there. 最后会有人住在月球上 This

发表于:2019-01-02 / 阅读(195) / 评论(0) 分类 神秘的月球

A:Jacky,remember your first day of freshman year in high school? Jacky,还记得你高一第一天的日子吗? B:[Chuckles]My first day of freshman in high school is like 1 million years ago.Your q

发表于:2019-01-03 / 阅读(219) / 评论(0) 分类 英语抢先学

By Paul Sisco Washington 13 July 2007 NASA scientists have unveiled details of the space agency's plans to pierce the icy surface of Mars, near its north pole. The mission is designed to find evidence of water or life on the red planet. VOA's Paul S

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(七月)

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(七)月

China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense

发表于:2019-01-19 / 阅读(129) / 评论(0) 分类 2016CRI中国国际广播电台

Put your white tennis shoes on and follow me Why work so hard When you could just be free You got your moment now You got your legacy Let's leave the world for Once to change everything Nothing could stop the two of us Let's just get lost that's what

发表于:2019-01-27 / 阅读(199) / 评论(0) 分类 音乐咖啡厅

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 英语新闻

WASHINGTON, July 31 (Xinhua) -- U.S. space agency NASA on Tuesday confirmed its most advanced planetary rover, Curiosity will land on the Martian surface at 1:31 a.m. EDT (0531 GMT) on Aug. 6 and the landing process will be broadcast live from Times

发表于:2019-01-31 / 阅读(170) / 评论(0) 分类 英语新闻

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台

发表于:2019-02-05 / 阅读(123) / 评论(0) 分类 英文语法词汇

The twilight zone refers to the area between 100 and 1000 metres deep where a small amount of sunlight can still penetrate. The region is packed with ocean life that plays a key role in keeping atmospheric carbon-dioxide levels 30-percent lower than

发表于:2019-02-08 / 阅读(104) / 评论(0) 分类 英语新闻

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台 aerial 天线 indoor aerial 室内天线 network 广播网,电视广播网 wave length

发表于:2019-02-09 / 阅读(136) / 评论(0) 分类 英文语法词汇

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro

发表于:2019-02-23 / 阅读(126) / 评论(0) 分类 英语时差8,16

The American space agency NASA had expected its rover called Opportunity to operate on Mars for just 90 days. But the vehicle kept exploring for 15 years after landing on the red planet. Opportunity landed on Mars in 2004. Scientists finally lost con

发表于:2019-02-24 / 阅读(131) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
all-paper
aluminosilicates
amandine
asshole buddy
atheroprotected
automatic hysteresis loop recorder
balance at the beginning of the period
basibranchiostegal
be sb's department
Beckettian
benziminazole
bilk out of
bring back to life
bruguiera cylindrica bl.
call progress
careers advice
charged call
chiota
claman
contact twin
continuous oven
councils of ephesus
cut-off machine
d.h.g.
Damaraland mole rat
Difluorobenzene
dihydroxyphenylalanine
Disket
division signs
edirne (adrianople)
eldertons
embryo adoption
energy dilemma
ernestina
event-goer
exosporium viticis
Floor-plank
force draught cooling tower
getable
gurjum balsam
half-sibling
hardware factory
home-felt
hydraulic-electric lift
immune system disorder
in raptures
international nautical mile
kochichthys flavofasciatus
laugh about
left lumbar turnks
low-level radioactive wastes
lung-distension
machine handle with sleeve
Makutu Mts.
malevitch
management and labo(u)r
medullocell
meltyre
Middle England
momentum vector
monoimines
neat revenue
neutron converter
nonmeaning
of tender age
orthophot
peripheral software driver
place in the forefront
poplar inset
prepreg tack
propagandisms
quillaja saponin
refrigerated seawater fresh-keeping fish carrier
sa(e)dd
Sakhanina, Guba
sales promotion planning
scoucers
self complementary counter
self-acceptances
self-acting slope
settled bed fast reactor (SBFR)
single point calculation
slipped tendon
solar proton monitor
spring nest
spurt into popularity
stamp acts
Standard de Stat
STL
submarine denudation
tensile splitting strength test
the rspca
theomagic
thermosetting type
third-order nonlinearity
tower top temperature
tricornes
unmanned weather station
vocalisation
walth
whirlary
wick feeder