【航天工程技术】串连发射(一个运载火箭发射两个或多个人造地球卫星)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On its opening day, 90,000 tourists traipsed across the London Millennium Bridge. That pitter patter of pedestrian feet caused the structure to visibly r

发表于:2018-12-02 / 阅读(82) / 评论(0) 分类 Scientific American(十二)月

The following Monday on my way to meet Mrs. X, I make a quick stop at my favorite stationery store to stock up on Post-its. Today my Filofax only has two Post-its: a tiny pink one imploring me to BUY MORE POST-ITS and a green one reminding me that I

发表于:2018-12-06 / 阅读(55) / 评论(0) 分类 保姆日记

The United States Agency for International Development, or USAID, announced a new project that will assist Vietnam's transition to climate-smart and low-emission development through improved forest protection, enhanced biodiversity conservation, and

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 VOA标准英语2017年(一月)

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(122) / 评论(0) 分类 彭蒙惠英语

The London Paralympics competition is now finished and the closing ceremony is tomorrow morning New Zealand time. New Zealand sent 24 athletes to the games and received 17 medals. Four swimmers won medals: Sophie Pascoe from Christchurch won three go

发表于:2018-12-31 / 阅读(98) / 评论(0) 分类 新西兰英语

Robot Security Could Help Cut Crime 机器人保安有助于降低犯罪率 Shopping centers, stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crim

发表于:2019-01-12 / 阅读(78) / 评论(0) 分类 2015年VOA慢速英语(六)月

Jobs confided in Sculley that he believed he would die young, 乔布斯向斯卡利坦言,他认为自己年轻的时候就会死去, and therefore he needed to accomplish things quickly so that he would make his mark on Silicon Valley history. 因

发表于:2019-01-22 / 阅读(55) / 评论(0) 分类 乔布斯传

BEIJING, July 14 (Xinhuanet) -- European music service Spotify is set to launch in the United States on Thursday, according to media reports. The streaming service will be available in the morning by invitation and through subscription. Spotify is a

发表于:2019-02-06 / 阅读(90) / 评论(0) 分类 英语新闻

BEIJING, Apirl 1 (Xinhuanet) -- An Ariane rocket launch of two communications satellites was aborted Wednesday after a technical hitch at the scheduled moment of liftoff in French Guiana on Wednesday. According to Arianespace, the Ariane 5 rocket's V

发表于:2019-02-06 / 阅读(111) / 评论(0) 分类 英语新闻

Kawhi Leonard has now scored 30+points in four consecutive games. The last Spurs player to accomplish this feat? Tim Duncan in 2003-04. 卡哇伊莱昂纳德已经连续四场得到30分+的数据。上一位能够达成这一华丽数据的球员是谁

发表于:2019-02-07 / 阅读(95) / 评论(0) 分类 英语新闻

听歌学英语:I'll never fall in love again I'll never fall in love again BY BOBBIE GENTRY What do you get When you fall in love A girl with a pin To burst your bubble That's what you get For all your trouble I'll never fall in love again What do y

发表于:2019-02-07 / 阅读(73) / 评论(0) 分类 听歌学英语

A Quora user asked: What are the best romantic relationship hacks? And then people shared their tried-and-true tips. Quora上一位网友提问:爱情中最棒的技巧有哪些?网友们纷纷根据自己的经历给出了答案。 1. Keep a sec

发表于:2019-02-09 / 阅读(205) / 评论(0) 分类 阅读空间

They say that children learn languages the best. But that doesnt mean that adults should give up. We asked some of the polyglots in TEDs Open Translation Project to share their secrets to mastering a foreign language. Their best strategies distill in

发表于:2019-02-17 / 阅读(42) / 评论(0) 分类 阅读空间

BEIJING, May 16 (Xinhuanet) -- NASA has readied the space shuttle Endeavour for its liftoff set for Monday, media reported Monday. Good weather looks 70 percent likely for Monday's scheduled launch of Endeavour, the next-to-last U.S. space shuttle mi

发表于:2019-02-18 / 阅读(72) / 评论(0) 分类 英语新闻

TEHRAN, Oct. 9 (Xinhua) -- Iran is going to launch domestically- built Navid satellite by Safir satellite launcher by the end of March 2012, the semi-official Mehr news agency reported on Sunday. Navid (promise) is a research satellite and is current

发表于:2019-02-18 / 阅读(76) / 评论(0) 分类 英语新闻

Sophida Siriwatananukul, 22, (nickname Nong Bai Mon), a student at the Rachapat University in Ayutthaya Province was crowned Miss Tiffany's Universe 2015, Thailand's largest transgender beauty pageant, in the beach resort city of Pattaya on Friday ev

发表于:2019-02-18 / 阅读(79) / 评论(0) 分类 阅读空间

Americans are worse at spelling than Britons, with more than half unable to spell embarrassed, liaison and millennium。 美国人在拼写单词方面不如英国人,超过一半的美国人不会拼embarrassed、liaison和millennium。 Despite th

发表于:2019-02-19 / 阅读(79) / 评论(0) 分类 英语新闻

老干妈远销海外知多少? 美国奢侈品电商Gilt 把老干妈奉为尊贵调味品,限时抢购价11.95美元两瓶(约人民币37元一瓶)。 而根据《星岛日报》此前的报道,来自中国的酱料产品老干妈 辣椒酱在知

发表于:2019-02-19 / 阅读(56) / 评论(0) 分类 英语新闻

内在驱动和外在刺激 Drives and desires can be described as a deficiency or need that activates behavior that is aimed at a goal or an incentive. These are thought to originate within the individual and may not require external stimuli to enco

发表于:2019-02-19 / 阅读(46) / 评论(0) 分类 GRE作文

Renting a Bicycle 租自行车 Kathy and Evan decide to tour Amsterdam as many people do, by bicycle. Kathy is talking with a renter of bicycles. 凯西和艾凡决定和许多人的做法一样── 骑自行车游览阿姆斯特丹。 凯西正和一

发表于:2019-03-18 / 阅读(4471) / 评论(0) 分类 赖世雄旅游观光英语通
学英语单词
academic training
Afghānestān
alarm plate
Amauroderma
Americaniser
amsssop
An Giang, Tinh
applied electrical physics
as often as
azurocidin
Batati
benzoyltrifluoroacetone (BTA,HBTA)
calcogenide
calreticulins
carrier's liability
chine line of keel
chuys
ciraldo
collanders
color in
considered
cycle steal
delayed neutrons yield
digiti ii-iv (pedis)
essential fatty acids
extra rapid hardening cement
failure-tolerant system
first-aid repair
first-in first-out queue
forest amelioration
Friedrichsgraben
funderburke
gas-guzzler
gay-straight alliance
gouges out
heading cup
high pressure adjusting spring
idiomere
indifferent electrode
infinite rejection filter
Johann Christoph Friedrich von Schiller
Kelso
Lauchheim
lazcano
liese
likomas
luggage voucher
magmatic deposits
menaced with
mengs
microsclerotia
mnookin
nanak
narrow beam sound source
needle-valve
neural crest
no-contact
nonargument
nose-leaves
not (notification message)
open business
oxytoluene
packing layer
palaeogeic reallm
paracentesis
parasitized
pharyngoscopist
plexus trigonalis (venosus)
plugged pouring basin
plugging machine
plusonermin
Pretty Prairie
pudina
rate controlling mechanism of slip
rechallenging
red muscardine
reliability performance measure
resistance gauge
riroriro
romera
rotating magnet head
royal clew line
Scolopia henryi
Scopas
styryl methyl ketone
supanate
Sīfenī
T. H.
take a scunner at
tender tongue
tied to
time diagram
tooth-crest
Tuluksak
turning-circle
Tzom Gedaliah
usable field strength
Variable-rate loan
vision fading
weather-beatens
wheresomever
yellow ingot metal