听细胞

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(292) / 评论(0) 分类 VOA2003(下)-环境与健康

第二章 前庭蜗器 Chapter 2 Vestibulocochlear Organ auditory apparatus 听器 auditory ossicles 听小骨 auditory tube 咽鼓管 auricle 耳廓 auricular lobule 耳垂 bony labyrinth 骨迷路 bony semicircular canals 骨半规管 cochlea 耳蜗 cochlear duct 蜗管 cone o

发表于:2018-12-05 / 阅读(402) / 评论(0) 分类 医学英语

很多人都相信上帝是公平的,关上眼前的一扇窗会为你打开另一扇窗。在最新的科学研究中我们也能得到类似的结论:天生听力有缺陷的人会有更好的视觉。 Recent research explains how the deaf can

发表于:2018-12-07 / 阅读(208) / 评论(0) 分类 60秒科学

Lesson 25 Non-auditory effects of noise 噪音的非听觉效应 First listen and then answer the following question. 听录音,然后回答以下问题。 What conclusion does the author draw about noise and health in this piece? May people in indu

发表于:2018-12-08 / 阅读(747) / 评论(0) 分类 新概念英语第四册

This is Scientific Americans 60-Second Science, Im Cynthia Graber, this will just take a minute. Our ears are highly attuned to sounds in the world around us. Its not just the frequency of the sound itself. There are also subtle differences and shift

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(一)月

[ti:] [ar:] [al:] [by:] [00:01.00] Late At Night, Do You Turn Off Your Cell Phone? 今夜不关机 [00:08.22]Today, my friend asked me a question. [00:11.17]At night, do you turn off your cell phone? [00:14.78]If you dont, whom do you leave it on for

发表于:2018-12-26 / 阅读(213) / 评论(0) 分类 温馨夜读

Julia: And how about you? What kind of learner are you? Todd: Well I guess I'm maybe kinesthetic, that's movement, right, or doing things with your hands. Julia: Yeah, I think so or even your whole body? Todd: I don't know. Is kinesthetic using your

发表于:2018-12-29 / 阅读(156) / 评论(0) 分类 英语趣味课堂

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(227) / 评论(0) 分类 国家地理2008年

This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Is it an old wives tale or can deaf people actually see better? Scientists have long thought that the structure of our brain is fixed. For instance, from birth the a

发表于:2019-01-08 / 阅读(250) / 评论(0) 分类 Scientific American(十)月

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(201) / 评论(0) 分类 2007年VOA标准英语(九月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(177) / 评论(0) 分类 VOA标准英语2008年(五月)

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(201) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(185) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(350) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(299) / 评论(0) 分类 趣味英语

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(221) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(257) / 评论(0) 分类 英语新闻

It's two in the morning, and like most people you're fast asleep. But then your eyes pop open and your three year old is standing there, tugging her ear and saying, Mommy, my ear hurts. If you're a parent with a young child, this scenario is probably

发表于:2019-02-23 / 阅读(153) / 评论(0) 分类 英语时差8,16

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(200) / 评论(0) 分类 阅读空间

A Pain in the Ear 耳痛是一种常见病,耳痛为常见症状,常因耳部疾病引起(原发性或耳源性耳痛),也可因耳部邻近器官或其他器官疾病所致(继发性或反射性耳痛)。耳痛的严重程度与病变的

发表于:2019-03-09 / 阅读(455) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a grain of sand
alloy-steel wire
antipositivist
astaghfirullah
auto-man switch
best selected copper
bocadillos
bring low
bug someone
cable-to-chassis connector
cantao ocellatus
capsula interna nuclei lentiformis
characteristics of grain and oil
circuit transfer mode
clicketyclack
code-switch
combined line and recording call
comminutor
completely ramified extension
compound level balance
copper(ii) sulfocyanide
corrected value
crenology
Cryptosystem.
cylinder lapping machine
d-Sarcolysin
denatant
depth charge fuze
dihydroresorcinol
dire handle
direct control microprogram
direct expansion freezer
drawbar load sensing mechanism
drier filter
electtoscopy
enchancement
even dye
flame-proof type
follow sb's example
fret and fume
froncle
glucophospholipin
gongor
granular size
group-bank register
H-iron process
horizontal flow chart
hydroid
irrigating dressing box
IT system
juris possessor
key chains
kyanol
labouringly
laughably
left profile
light acclimation
limitation of time
limonia (melanolimonia) xanthopteroides
loxodon macrorhinus
Macareo, Caňo
Macropen
make
McDougall's theory of colour vision
Memanbetu
Mendelian theory
metal defects
miniplanet
monkhood
MONOGNATHIDAE
mycoherbicides
naked hull
niobium potassium oxypentafluoride
no load speed governor
non-return to zero system
open spillway
orientating line
paltery
piezoelectrics
pipenzolate bromide
priority value
propanoic acid
public-work
punch machine
rolls off
rough-drying
run in one's head
San Claudio
savalas
steril
thin film magnetoresistive
thrusting
top-score
train departure route
unidirectional characteristic
urethrascope
Walter Reed
whistle modulation
xerotherm
xylotrechus grayii
YFNX
yolk sac veins