化学发光式氮氧化物分析仪

Twice a year, day and night, fall into balance, lasting for nearly equal length. Known as equinoxes, Latin for equal night, they occur in March and September and along with solstices mark the changing of seasons as Earth travels around the sun. Astro

发表于:2018-12-03 / 阅读(113) / 评论(0) 分类 自然百科2008年

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thir

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 2010年VOA慢速英语(十)月

经典歌曲-大大的世界Big big world--Emilla艾米莉 I'm a big big girl 我是个大女孩 in a big big world 在这个大大的世界上 It's not a big big thing if you leave me 如果你离开我,那是没有什麽大不了的 but I do do fee

发表于:2018-12-14 / 阅读(276) / 评论(0) 分类 经典英文歌曲

People in America - Ernest Hemingway, 1899-1961: One of the Most Famous Writers of the 20th Century 美国名人 - 海明威二十世纪最著名的作家之一 SHIRLEY GRIFFITH: I'm Shirley Griffith. DOUG JOHNSON: And I'm Doug Johnson with People in

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 2011年VOA慢速英语(六)月

At 75, Seminal US Composer Still Inspires American composer Steve Reich turned 75 this year. The so-called minimalist credits jazz, African drumming and Balinese gamelan as inspirations. His music - from experimental tape loops to the Pulitzer prize-

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 VOA标准英语2011年(十一月)

有些词无缘无故就让人觉得特别美,国外网友就票选出了十个最美的英语单词,今天Jenny和Connor要来带你领略它们的魅力。 #1. Aurora Aurora /?'r?r?/ 什么意思: Natural light appearing in the sky near the n

发表于:2018-12-19 / 阅读(69) / 评论(0) 分类 美国文化脱口秀

Postal clerk: Good morning, may I help you? Benjamin: Hello, I want to remit one thousand Yuan to Magnolia Company. Postal clerk: Please fill out this form, please. Benjamin: OK Do I put on Magnolia Company for the receiver? Postal clerk: Yes. You mu

发表于:2018-12-31 / 阅读(75) / 评论(0) 分类 英语大赢家上册

Grammar Girl here. Today's topic is semicolons. I get questions about semicolons a lot, so it's time to clear up some confusion. Semicolons separate things. Most commonly, they separate two main clauses that are closely related to each other but that

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. In honor of the increased show production schedule, today's topic is biweekly versus semiweekly. How to Remember the Definitions of Bi- and Semi- The prefixes bi- and semi- are different. Bi- means two and semi- means half. You can

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Surprise! You get a bonus show today because Thursday is National Punctuation Day and I'm going to have a slightly different kind of podcast to celebrate. Today's topic is semicolons. I get a lot of questions about semicolons, so i

发表于:2019-01-02 / 阅读(99) / 评论(0) 分类 英语语法 Grammar Girl

本歌为《豪斯医生》第五季第五集片尾曲,演唱者是80年代红遍欧美乐坛的eurythmics(舞韵合唱团)女主唱、两座葛莱美奖得主、曾被vh1音乐频道评为乐坛一百位最伟大女性的Annie Lennox 。 本歌为《豪斯医生》House第五季第五集片尾曲,演唱者Annie Lennox是80年代红遍欧

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 电影英文歌曲

Urine Analyzer 尿液分析仪 blood sugar(glucose ) analyzer血糖分析仪 test strip 测试条 reagent 试剂 Semi-automatic Biochemical Analyzer半自动生化分析仪 Automatic Blood Cell Analyzer全自动血细胞分析仪 Urine sediments

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 医学英语

BBC Learning English People and Places Sir Robin Knox-Johnston Callum:Hello Im Callum Robertson and this is People and Places. In the programme today we hear from Sir Robin Knox-Johnston who has just completed a very tough race. The Velux 5-Oceans r

发表于:2019-01-09 / 阅读(126) / 评论(0) 分类 人与地方

I walked all morning to lift my heart, 'Cause the world keeps dancing with the paperman. I love you never talk in dreams, But now it's here your happiness is real. Oh make some big jumps, big jumps, You're afraid to break some bones. Come on make som

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 金属

注释: Defense Secretary 国防部长 sovereignty [5sCvrinti] n. 主权 Iraqi [i5rB:ki] adj. 伊拉克的 casualty [5kAVjuElti] n. 伤亡 thug [WQ^] n. 暴徒 assassin [E5sAsin] n. 暗杀者,刺客

发表于:2019-01-11 / 阅读(94) / 评论(0) 分类 VOA2004(上)--各类新闻

今天我们要学的词是reminder。 Reminder, 提醒、提示。 I received a flu shot reminder from my doctor's office, 我收到医生诊所的通知,提醒我去打流感预防针。 The newly released data is a reminder that the recovery of

发表于:2019-01-16 / 阅读(115) / 评论(0) 分类 英语每日一词

今天我们要学的词是reminder。 Reminder, 提醒、提示。 I received a flu shot reminder from my doctor's office, 我收到医生诊所的通知,提醒我去打流感预防针。 The newly released data is a reminder that the recovery of

发表于:2019-02-03 / 阅读(69) / 评论(0) 分类 英语单词荟萃

Natalie Jeremijenko的不寻常的研究室将艺术用于实践,处理环境问题,通过将工程知识同社会大众艺术以及一些志愿者们相连接。这些现实生活中的艺术实践包括:遛蝌蚪,给鱼发短信,建立消防

发表于:2019-02-05 / 阅读(203) / 评论(0) 分类 TED公开课:艺术与幻觉

By Suzanne Presto Irbil 05 June 2008 The United Arab Emirates has announced it is appointing an ambassador to Iraq and will open an embassy in Baghdad. The foreign minister made the announcement during a visit to the Iraqi capital. VOA's Suzanne Pre

发表于:2019-02-06 / 阅读(74) / 评论(0) 分类 VOA标准英语2008年(六月)

Whakao loonal Kidei downni wha dei evi nayet Er gorlay wally wally ay Moe dei woonoah Tar dei arh tzoo waah Yee har naah Gorli goo gorli goo Dei gar lee whaka woo gar Dei hoa kaar Wo dei arh tsee whoa Arh tsee whoa Dei bi yee naah Koi lar Koi lar dei

发表于:2019-02-17 / 阅读(142) / 评论(0) 分类 音乐咖啡厅
学英语单词
actinomycosis abdominalis
Anopheles farauti
anti puritan
arctic survey boat
Badagri
Bagnold, Enid
biorefined
blindless
blond-haired
bow into
Bowling Green B.
bubble breaking surface
burn itself out
Butler finish
cablecaster
cargo war risk
Cerastium cerastoides
city waterway
clean up the cockpit
clutch withdrawal bearing
color-radicle
colour-frequency control coil
comparison transformer
conray131
controllable-pitch propeller
cost-problem dynamic programming
countercylinder
demorify
DIPR
disk access
earth artist
ectozoic parasite
elasticity surface
folie circulaire
formative gear
frigolabile
fruit fork
further notice
genitory
glossy print
half track recorder
Hampyeong
have a horror of
Helicteres
herceptin
high elastic alloy
homing control
hydrosulfuric acid
inst. war etc.
ismat
Klein bottle
large-tailed antshrike
Ligamentum sacrospinale
lightning-fast
Luigi Pirandello
magaw
maggette
monophthongization
near-contact binary
non-breeding material
nonaqueous catalytic thermal titration
nourishing the heart
NSHL
Onychogalea
osmiophil
Pedicularis paiana
photon-counting detector
picolinates
pressure-difference valve
racs
rampikes
relative hearing loss
repetitive group sampling plan
rotary-milling machine
second generation tracking radar
sequential mapping
ship borne expendable bathythermograph
silotank
slide-coil
source route bridge
spatial orientation training
stage 1 system definition
states of the art
stationary linear system
steering gear frame bracket
stress-cycle diagram
tank test
taxaholic
Tchaikovskian
the European Commission
thyropus edwardsi
tooks
Tourangeau
tractor generator
trussed roof
Unimycin
unsiker
ural chrysoberyl (alexandrite)
waste-bin
water vapor content
watershed morphology