血氧容量

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(131) / 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(133) / 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(108) / 评论(0) 分类 2017年Scientific American(二)月

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(145) / 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(116) / 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(132) / 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(181) / 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(152) / 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(440) / 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(157) / 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(124) / 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(135) / 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(131) / 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(170) / 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(120) / 评论(0) 分类 原版英语对话1000个

You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

托福听力中细节题目庞杂,转折、对比、问答、强调、解释等等,整个听力过程中都需要高度戒备,以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类:举例细节题。 首先

发表于:2019-02-13 / 阅读(127) / 评论(0) 分类 托福英语

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(169) / 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(141) / 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(174) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
accelerator for electron therapy
accumulator charger
antonin dvoraks
Arrhenius frequehcy factor
arsenal
arsphenamine
assimilators
audio generator
baggage agent
bechhofers
bijou
Bondville
calf serum
cambridge roll V
carlyons
co-venturers
Codonopsis canescens
computrainer
conceptual database design
ConstraintLisp
control data mathematical programming
crista basilaris
crossed prisms
damped train
DAW (dry active waste)
emerald
enantiomorphic(enantiomorphous)form
entelodont
ever-worsenings
exchange control authorities
expansion sleeve
experimental power reactor
ferreri
freightless
GNAA
gold-prospector
groin centring
guerins
high speed joint
horizontal centrifugal pump
indirect transmissions
islet adenoma
jointers
junnila
lacrimal margin
land island
leptogaster trimucronotata
little-end
longitudinal illumination
m.ver
mail business
Makongani
medial meniscus
motor pedicab
myosuroides
N-dt
nongovernmental organizations (ngos)
noona
open up a can of worms
orthodromic map projection
outer predicate
Paracooperia
Pentland Hills
Penuba, Selat
periorbit
picture file
plasterless
Poos
reap laurels
reprecipitated
Ritz crackers
roofslab
routinists
satisfyingness
Schiermonnikoog
scholia
shadow checks
skeleted crystal
Smethwick
sodium itaconate
starting torque converter
stenos
step on somebody's toes
Stichocotyle
Stropnice
Sulawesi (Celebes)
Sulcus calcarinus
supplementary fare
supposed value
technical workers with specific grades
teletypesetting
through feed rolling cylindrical dies
unawful
union-compatible
vibration measuring apparatus
wakefuls
water-base latex dispersion
water-jet ship
weight flow rate
welcome to beijing
wieck
zip cuffs