非同位素载体

The year 2012 is widely regarded as marking the beginning of an era in the history of Chinese aircraft carriers. China's first aircraft carrier Liaoning was commissioned into the Chinese navy last September and officially anchored in a military port

发表于:2018-12-02 / 阅读(245) / 评论(0) 分类 2013年NPR美国国家公共电台1月

[00:04.99]2 Not as often as I used to [00:12.25]Listen to June,a bus driver,talking about how she spends her free time. [00:18.70]1.How often do you work in the evenings? [00:24.16]Not all that often,actually,just when I have to. [00:28.92]Some peopl

发表于:2018-12-13 / 阅读(296) / 评论(0) 分类 创新英语教程第三册

A Chinese-made self-driving container straddle carrier, said to be the first of its kind in the world, is now undergoing testing at a port in Shanghai, reports China Central Television. A container straddle carrier is a freight carrying vehicle that

发表于:2018-12-24 / 阅读(206) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(九)月

Newspaper Carrier Day is an important day to celebrate one of societys forgotten workers the newspaper carrier. Every day, thousands of newspaper girls and boys get up early and carry heavy bags of newspapers around the streets. They deliver our news

发表于:2018-12-29 / 阅读(166) / 评论(0) 分类 英语课程学习计划和讲义

JUDY WOODRUFF: President-elect Trump made his first public speech today since the election on a trip to Indiana to tout a deal that he said made good on a campaign promise. Mr. Trump met with Carrier workers on the floor of their Indianapolis plant t

发表于:2018-12-31 / 阅读(213) / 评论(0) 分类 PBS访谈商业系列

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(一)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(十二)月

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(150) / 评论(0) 分类 2016年VOA慢速英语(三)月

US Crew Vigilant as Carrier Sails Through Strait of Hormuz Ready and vigilant, the battle group steams through the waterway where a fifth of the worlds oil passes. Tehran has threatened to block the strait, and warned U.S. ships not to come. For Navy

发表于:2019-01-14 / 阅读(171) / 评论(0) 分类 VOA标准英语2012年(二月)

RACHEL MARTIN, HOST: The USS Carl Vinson is in De Nang, Vietnam. And it is the first U.S. aircraft carrier visit since the end of the Vietnam War. And it comes at a time of increasing tension between the U.S. and China and between China and some of i

发表于:2019-01-16 / 阅读(175) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Is Trump's Deal With Carrier A Form Of Crony Capitalism? play pause stop mute unmute max volume 00:0007:19repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

发表于:2019-01-16 / 阅读(192) / 评论(0) 分类 2016年NPR美国国家公共电台12月

Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素,但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的,或

发表于:2019-02-02 / 阅读(277) / 评论(0) 分类 音乐咖啡厅

BEIJING, March 29 (Xinhua) -- China is conducting scientific testing and training exercises for its aircraft carrier, Defense Ministry spokesman Yang Yujun said Thursday. It takes time for weapons and equipment to be developed from scientific researc

发表于:2019-02-02 / 阅读(214) / 评论(0) 分类 英语新闻

China conducts flight landing on aircraft carrier LIAONING AIRCRAFT CARRIER, Nov. 25 (Xinhua) -- China has successfully conducted flight landing on its first aircraft carrier, the Liaoning, naval sources said. A new J-15 fighter jet was used as part

发表于:2019-02-06 / 阅读(228) / 评论(0) 分类 英语新闻

DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier

发表于:2019-02-07 / 阅读(325) / 评论(0) 分类 英语新闻

China's first domestically-built aircraft carrier has set out from a port in Liaoning on its maiden voyage to start sea trials. The 50,000-ton vessel, codenamed Type 001A, is the second aircraft carrier launched by China. It follows the carrier Liaon

发表于:2019-02-14 / 阅读(196) / 评论(0) 分类 2018CRI中国国际广播电台

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(169) / 评论(0) 分类 万物简史

听歌学英语:空灵清澈天籁之音SisselCarrier Of A Secret Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年.是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想

发表于:2019-02-18 / 阅读(205) / 评论(0) 分类 听歌学英语

The Indian government will give billions of dollars to rescue its debt-ridden national carrier, Air India. But the government has deferred a decision on allowing foreign airlines to pick up a stake in private Indian airlines, which are also strugglin

发表于:2019-02-18 / 阅读(258) / 评论(0) 分类 英语新闻
学英语单词
acknowledging device
actual safe load
Africanising
ann c.
anteclises
arachn-
aya
bathyal zone, bathyal district
beam rider mode
bled dry
Blinkworthia
bumped up against
cannabinum
Chlmec
Classical Sanskrit
Clock and Data Recovery
coherent field
continuum mechanics, continuum physics
corelal
cpn21
craters of the moon national monument
D.C. transformer
dental fricative
direct-power generator
Dolomieu
donkey stitching machine
electric log
electric-hydraulic control
ensweiler
episappanol
ethyl acetanilide
Exmore
fayer
first work piece
give a flourish of
glomangiosarcoma
glut herring
hazlemere
hendrixes
heterogeneous equilibria
higher adult education
hole sealing
homeotic gene
howdunnit
hydraulic rockshaft
incisal display
incorporal
initial row
input air
intermedium range ballistic missile
internationality
interoccurrence
kinetosis
lead mordant
Liliiflorae
long term network
lower-elevation
marguarite
Megalomycteroidei
metaassembler
metagraywackes
metric gears
most-sophisticated
multigrid tube
name of numeric literal
nonpyramidal
operation class
outlet conditions
paid listings
Pakefield
parthood
pendant shearing machine
pine after
plane of polarized light
plumbous cyanide
plunger press
polyester fibers
power moment
power word
principal element
protective mulch
quick access store
reactance relays
regional specificity
secondary effect
secondray x-rays
semi-malignant
smokebox door catch
sorcin
spare battery
standard regression method
stevedorings
sulphion
tenso-friction
there's nothing
totally depleted semiconductor detector
TRPM
uredo desmodii-pulchelli
velamenta cerebri
Walschaerts
West Memphis
wupatki national monument