血氧含量

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Every time you inhale, oxygen passes from your windpipe to your lungs and on into your bloodstream. But what if your windpipe was blocked? Getting the gas straight to your blood could save your life. Wait, put down that syringea large air bubble in a

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(六)月

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 2017年Scientific American(二)月

文本: Now, when you freeze vegetables at home,the results arent always that brilliant. This here is a bag of lettuce. Lovelyand healthy, and springy. Have a look what happens once you freeze it. Now thishas been frozen. Ive defrosted it. Its just

发表于:2018-12-26 / 阅读(107) / 评论(0) 分类 跟着英剧练发音

What Causes A Lump In Your Throat? Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 图片1 Explanation The lump-like thing we feel when overcome by emotion has to do with how the ne

发表于:2018-12-31 / 阅读(137) / 评论(0) 分类 英语听力文摘 English Digest

If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. To do this, the body must produce the liquid part of blood, called plasma,

发表于:2018-12-31 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest

Todd: OK, Michael, you are into spear fishing! Michael: Yes, I enjoy going spear fishing Todd: OK. Can you talk about that a bit. Michael: Yeah, sure. Spear fishing basically is a sport that you dive under the wate with the aid of flippers, wet suit

发表于:2019-01-02 / 阅读(128) / 评论(0) 分类 英语访谈对话

The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a particular kind of str

发表于:2019-01-07 / 阅读(175) / 评论(0) 分类 英语背诵文选第一册

VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 医学英语

[00:02.44]Unit 21 Human Biology Warm-up [00:07.39]Exercise 2 Listen and guess which parts of [00:11.04]the body of being described. [00:13.00]Which words help you to decide. [00:16.79]1 This organ weighs about a kilo [00:19.77]and is made up of two s

发表于:2019-01-10 / 阅读(436) / 评论(0) 分类 北师大版高中英语模块7(选修)

Lung 肺 How many lungs do we have? 我们有多少块肺呢? We have two lungs in our body. 我们有两块肺。 Lungs are protected by ribs. 肺由肋骨保护。 They are very big. They are about two times as large as one of our feet. 它们都很

发表于:2019-01-10 / 阅读(148) / 评论(0) 分类 与美国小学生一起学英文第4册

Todd: OK, Michael, you are into spear fishing! Michael: Yes, I enjoy going spear fishing Todd: OK. Can you talk about that a bit? Michael: Yeah, sure. Spear fishing basically is a sport that you dive under the water with the aid of flippers, wet suit

发表于:2019-01-11 / 阅读(120) / 评论(0) 分类 原版英语对话1000个

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Summer is a busy time for travel. Today, we discuss ideas about how to stay healthy on a long trip. VOICE ONE: For years, people have w

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 VOA慢速英语2009年(七)月

Todd: OK, Michael, you are into spear fishing! 好的,迈克尔,你喜欢捕鱼! Michael: Yes, I enjoy going spear fishing. 是的,我喜欢捕鱼。 Todd: OK. Can you talk about that a bit. 好的,你能跟我们聊聊捕鱼吗。 Michael:

发表于:2019-01-15 / 阅读(129) / 评论(0) 分类 实战口语情景对话

By David McAlary Washington 16 May 2006 Long distance air travel can increase the risk of blood clots in the legs, a potentially fatal condition that has been known for more than half a century. Now B

发表于:2019-01-19 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(五月)

Todd: OK, Michael, you are into spear fishing! Michael: Yes, I enjoy going spear fishing Todd: OK. Can you talk about that a bit. Michael: Yeah, sure. Spear fishing basically is a sport that you dive under the wate with the aid of flippers, wet suit

发表于:2019-01-20 / 阅读(115) / 评论(0) 分类 原版英语对话1000个

How Do Breathalyzers Work? If a police officer sees you driving in a reckless manner, chances are youll be pulled over and asked to breathe into a special machine that measures your blood alcohol content. But how can your breath reflect how much alco

发表于:2019-01-22 / 阅读(157) / 评论(0) 分类 英语时差8,16

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2019-02-14 / 阅读(163) / 评论(0) 分类 2017年Scientific American(二)月

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Eric was only sixteen years ol

发表于:2019-03-04 / 阅读(139) / 评论(0) 分类 环球英语 Spotlight

台湾籍旅美老师今天交给我们的句子是: Blood is the tissue that not only carries cells that transport oxygen, for example, the red blood cells, or fights infectious diseases, but it also carries messenger molecules, hormone-like facto

发表于:2019-03-05 / 阅读(166) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
accounting for reorganization
acid catalysis
Actium, Battle of
adaptation theory
Alaskanizes
answer interval
apala
attribute-savable
Awaso
Belgian waffle
biogeochemistry
birred
blobberlipped
Britishize
cardiovascular
carlsbads
cereal grass
chernenkoes
Chromaffinomatosis
concordant remedies
conphaseolin
discrete substitution group
dry laboratory
dynamical response theory
ease sb of sth
electric exploration instrument
envelope delay distortion meter
Eucharist
farmer club
ferroelectric chip
flight monitoring
forehear
formula budgeting
genderising
genus arizonas
IAMC
immunoadsorbent technic
inconcinn
instantaneous water level
Inuvialuktun
keep something down
kernel husk separator
Laingians
large oil-gas field
logic track address register
long rail string
Mangueirinha
Mantegnesque
mantidaes
mendnis
metalclad plywood
metalloid phase
micromatted roller
minimum annuity payment
minor grdlines
Music Volume
myocardium cell
neolucanus sinicus taiwanus
nodal furrow
non-acclimatization
non-tangential crossbedding
nonbuoyant
nonsuperfluous
northwest pacific high
nsanje
nut
on drugs
oxyuric appendicopathy
paddle-wheel box
Parliamentary Commissioner
pipal
pole timber
polyorganotitanosiloxane
pseudoleucite
reducer tee
renunciations
representative institution
retraumatize
reverse slope
rhymey
risk-reducing
saser
satellite landing control system
schreinerize
Scrophularia modesta
Scutellaria axilliflora
segmented spring ring
self-play
silky terriers
solid - state memory
synk
thought bubbles
threpsis
TNFBF
to measure something
uneven shed
unintuitive
urocyst
water interferometer
wheel-fixed axis system
wind-dore
ytb