血细胞计数器

This is Scientific Americans' 60-Second Science. I'm Steve Mersky. Got a minute? Its the kind of thing we can look forward to more in the coming years: Personalized drug regimens based on our individual DNA. The example of this new kind of Personaliz

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A new development in malaria: Plasmodium vivax, the worlds most common malaria parasite, now infects people previously considered to be resistant. Peter Zimmerman from Cas

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 Scientific American(二)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(46) / 评论(0) 分类 2017年Scientific American(二)月

A: Hey, how's it going? B: Good. How about you? A: Not bad, thanks for asking. B: Have you been on the bus for a while? A: Only about fifteen minutes. B: Do you ride this bus often? A: Not really, I usually drive. B: You have a car? A: Yes, I do. B:

发表于:2018-12-30 / 阅读(60) / 评论(0) 分类 实用乘车英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(十一)月

Acid 酸 Why does the lemon taste sour? 为什么柠檬的味道很酸? It is because of the acid in a lemon. 因为柠檬里有酸。 Then what is acid? 那么什么是酸? All substances with a sour taste are kinds of acid. 所有带酸味的物质

发表于:2019-01-10 / 阅读(74) / 评论(0) 分类 与美国小学生一起学英文第12册

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 科技之光

Sickle Cell Disease Cases Are Increasing Basic health interventions may significantly reduce deaths among young children with sickle cell anemia. The illness causes the body to produce sickle or disc shaped red blood cells making it difficult for the

发表于:2019-01-14 / 阅读(77) / 评论(0) 分类 VOA标准英语2013年(七月)

疟疾疫苗研制取得新进展 British researchers have discovered a biochemical key used by the malaria parasite to invadehuman blood cells. The discovery could pave the way for an effective malaria vaccine. ThePlasmodium malaria parasite has a c

发表于:2019-01-14 / 阅读(210) / 评论(0) 分类 VOA标准英语2016年(八月)

A: My doctor says that I need a blood test. B: I can help you with that. Just have a seat and roll up your left sleeve. A: What are you taking my blood for? B: Your doctor has requested a check of your white blood count. A: What information does that

发表于:2019-01-15 / 阅读(85) / 评论(0) 分类 英语情景对话-健康

A: I came to this lab to have my blood drawn. B: You are in the right place. Roll up your left sleeve and have a seat. A: What am I being tested for? B: Your doctor wants to know what your white blood cell count is. A: What does my white blood cell c

发表于:2019-01-15 / 阅读(89) / 评论(0) 分类 英语情景对话-健康

By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk

发表于:2019-02-03 / 阅读(54) / 评论(0) 分类 VOA常速英语2008年(四月)

生病常用英文--呼吸方面的疾病 呼吸方面: His breathing has become increasingly difficult.(他呼吸越来越困难。) He has to breathe through his mouth.(他要用口呼吸。) He is short of breath, even when he has

发表于:2019-02-05 / 阅读(71) / 评论(0) 分类 实用英语

001 See you later.待会见;再联络 A: I have to go.B: See you later. 002 What’s up?近来过得如何? A: Hey! What’s up?B: Nothing much! As usual. 003 It’s on me.我来付 A: The beer is

发表于:2019-02-06 / 阅读(44) / 评论(0) 分类 实用英语

CHENGDU, Oct. 25 (Xinhua) -- A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. Sichuan Revotek Co., Ltd. based in

发表于:2019-02-11 / 阅读(96) / 评论(0) 分类 英语新闻

A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. 本周日,中国的一家生物技术公司宣布,它已经研

发表于:2019-02-16 / 阅读(89) / 评论(0) 分类 英语新闻

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 VOA常速英语2007年(十二月)

1 See you later.待会见;再联络 A: I have to go. B: See you later. 2 Whats up?近来过得如何? A: Hey! Whats up? B: Nothing much! As usual. 3 Its on me.我来付 A: The beer is on me. B: Thank you. 4 I mean it.我是说真的 A: Do you rea

发表于:2019-02-19 / 阅读(41) / 评论(0) 分类 英语口语

He almost forgot how to drive over here While he tried to survive a year over there Some young punk just flipped him off And ran him off of the road He just turned 22 last week In the back of a strike somewhere in Tehran He never thought he'll live t

发表于:2019-02-19 / 阅读(75) / 评论(0) 分类 美国乡村音乐

Voice 1 Thank you for joining us for todays Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. 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 When you lo

发表于:2019-02-21 / 阅读(91) / 评论(0) 分类 环球英语 Spotlight
学英语单词
act at one's discretion
agrested
angle-to-code
application valve
automatic scanning
Bayanhushuu
be on the berth for
bedposts
Bense
billicapacitor
biographical film
blended type cigarette
blondism
Bovey
brightness matching
brzezicki
capsule flotation attitude
cartographic surveying
chilaiditis
chlorooxon
continuous roll forming
converging traffic volume
core intersection
cottonize
cross-hairs
dermophytosis
devolve on
double roller lever escapement
exchange agreement
exhaust liquor
exploring opening
export commodity mix
extrinsic frauds
fare forth
g'd up
glove anesthesias
gold currency
gravitational abscess
hasty survey
Hazare
ho cake
hull frame
icterus viridans
identifier word
intermediate truss
jessus
kadoyi
Kobresia glaucifolia
land rails
linear structural equation system
lose lose
macrolycus taiwanus
membrane invagination
microflaw
milled sheet
multifrequency key pad
nahid
nonvascular organism
North Atlanticans
nostril
o-nitrochlorobenzene
Okonjenja
ossicula cordis
pacadile
parking space
peckerwood sawmill
perfect match
period doubling
piecewise conformal
pneumatic cement-discharging tanker
podoconiosis
police psychology
porets
pseudomorphoses
recombiners
recovering aid
rem out
RMLB
Scorpian
sea land system
sergeev
silage fermentation
simultaneous colour television system
smear glaze
snacot-fish
space cylinder
star name
steel shot
step by step regulator
straight-going traffic
tetrahydropapaveroline
theatreworks
thrust of duct
tibial articulation
transmit status
truncated decoder
usepa
var. b. m. teretis majoris
ventral tank
visual analysis
wattesoons
yoke of magnet