泵浦脉冲持续时间

proportion -比例 propose-提议,建议 prospect -前景,前途 prosperity -益旺,繁荣 protection -保护,防护 protein-蛋白质 protest -抗议,反对 provided -假如,若是 province -省,领域 provision-供应 provoke -挑衅,激怒 psychological -心理的,心理学的 pub -酒吧,酒

发表于:2018-11-29 / 阅读(179) / 评论(0) 分类 用mp3背四级单词

17Giving First Aid GLOSSARY nurse a medical professional who helps a doctor; a person who provides basic medial services, but isnt as highly trained and educated as a doctor* If you like taking care of people, but you dont want to be a medical studen

发表于:2018-12-03 / 阅读(254) / 评论(0) 分类 2007年ESL之就医和人际交往

DIDA: Peter Mayle Sun, 4 Jul 93 Duration: 37 mins Sue Lawley's castaway is writer Peter Mayle.

发表于:2018-12-04 / 阅读(212) / 评论(0) 分类 英语听力精选进阶版

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2018-12-04 / 阅读(173) / 评论(0) 分类 英语每日一词

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(205) / 评论(0) 分类 访谈录2009

DIDA: Kenny Everett Sun, 24 Oct 93 Duration: 37 mins Sue Lawley's castaway is DJ Kenny Everett.

发表于:2018-12-29 / 阅读(221) / 评论(0) 分类 英语听力精选进阶版

DIDA: Taki Sun, 28 Nov 93 Duration: 36 mins Sue Lawley's castaway is the journalist Taki.

发表于:2018-12-29 / 阅读(214) / 评论(0) 分类 英语听力精选进阶版

DIDA: Doris Lessing Sun, 21 Nov 93 Duration: 38 mins Sue Lawley's castaway is writer Doris Lessing.

发表于:2018-12-29 / 阅读(137) / 评论(0) 分类 英语听力精选进阶版

DIDA: Sybil Marshall Sun, 7 Nov 93 Duration: 37 mins Sue Lawley's castaway is writer Sybil Marshall.

发表于:2018-12-29 / 阅读(145) / 评论(0) 分类 英语听力精选进阶版

DIDA: Lord Ashley Sun, 26 Dec 93 Duration: 38 mins Sue Lawley's castaway is politician Lord Ashley.

发表于:2018-12-29 / 阅读(118) / 评论(0) 分类 英语听力精选进阶版

By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 VOA标准英语2008年(三月)

The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles

发表于:2019-01-13 / 阅读(167) / 评论(0) 分类 VOA标准英语2010年(一月)

Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2012年(八月)

'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2010年(四)月

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(255) / 评论(0) 分类 2017年NPR美国国家公共电台6月

He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t

发表于:2019-01-22 / 阅读(174) / 评论(0) 分类 英文短篇故事(纽约)

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-02 / 阅读(190) / 评论(0) 分类 英语单词荟萃

The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u

发表于:2019-02-03 / 阅读(222) / 评论(0) 分类 365个英语简短小故事

Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my

发表于:2019-02-12 / 阅读(195) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-16 / 阅读(185) / 评论(0) 分类 学个词
学英语单词
anthony hope
anumbers
assign for
atypical gout
Autoskarn
bacteriacea
bactrocera (zeugodacus) elegantis
beikost
beta decay theory
blacktoppings
block-oriented
bookishly
bootstrap replication
Bouchain
braunsapis mixta
break wave
burning-out
c. p. snows
cavitation mechanics
channel wiring
clearpoints
clock-mechanism
closed-type
counterfigure
county diagram
coupon department
cowries
cumulative probability function
dark straw
Decazeville
dehydrobufotenine
delinquent juvenile
devirginating
dripping method
economic strength
enzymatic decortication
etmopterus splendidus
external caused contact chatter
extra weft
family matter
fanpak
Form T
four-colour photometry
francis peyton rouss
glomeruloscleroses
gold(i) sodium fulminate
hand sheet mill
house-door
hydraulic buffer
in a bad
instrumentation thimble guide
integrated barges in line
Lambeth Quadrilatera
longitudinal electromechanical coupling factor
measured discharge
metaphysical poetry
neodicladiella pendula
new message
Noachian epoch
note in substitution for currency
nuclear reaction macroscopic cross section of neutron
OFG
operation vehicle for contact wire
opthalmoscope
overtells
patrick whites
phase of network functions
pissasphalt
press communique
progametange
progressive sclerosing poliodystrophy
raised shelter deck
real crystal face
relament
resonating piezoid
rhincholites
rosoglio
secondary refining
self emptying drill
side furring
soups
space-station
spacing element
spald
spectacle flange
standing against
stochastic augmented transition network
sun tracker
sunsational
system function
the legion
tip-stall
tractus rubroreticularis
trogged
two-compartment slope
tynne
unschematized
vertically divided mold
voting behavior
whistling tone
wood joints
zootechnies