音标:[sɪˈkri:ʃənz] ;
n. 分泌(物)( secretion的复数形式 )
n. the organic process of synthesizing and releasing some substance
n. a functionally specialized substance (especially one that is not a waste) released from a gland or cell

Why Does Crying Make Your Nose Run? When you burst out crying, you expect the bleary red eyes and the rivers of tears that stream down your cheeks. But on top of all that, your nose starts to run like a faucet. Why does this happen? Whats the connect

发表于:2018-12-05 / 阅读(151) / 评论(0) 分类 英语听力文摘 English Digest

There is one thing that everyone on earth has in common. We all live, eat and breathe within the human body. For two years I’ve been exploring this unique dwelling place. I want to show you what I'v

发表于:2018-12-07 / 阅读(95) / 评论(0) 分类 生命物语

The Next 'Wonder Drug' Is ... a Maggot? From VOA Learning English, this is the Health Lifestyle report. The next superhero that saves the world may not be strong, powerful or good-looking. In fact, that hero may be a wriggling, squirming faceless cre

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 2018年VOA慢速英语(六)月

Study: Give ARVs After Male Circumcision Male Circumcision has been proven to slow the spread of HIV/AIDS in Africa. But a new study shows that in the short-term the surgical technique could actually increase the risk of infection for female partners

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 VOA标准英语2015年(五月)

This is Scientific American 60-second Science.I'm Steve Mersky.Got a minute? People have been leaving messages on bathroom walls for thousands of years,just google'ancient Roman bathroom graphy'.Well,we are not the only ones to use the ? for informat

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 2014年Scientific American(十)月

Why Does Crying Make Your Nose Run?哭的时候为什么会流鼻涕? When you burst out crying, you expect the bleary red eyes and the rivers of tears that stream down your cheeks. But on top of all that, your nose starts to run like a faucet. Why d

发表于:2018-12-28 / 阅读(72) / 评论(0) 分类 初学者听力文摘精选

Why Does Crying Make Your Nose Run? When you burst out crying, you expect the bleary red eyes and the rivers of tears that stream down your cheeks. But on top of all that, your nose starts to run like a faucet. Why does this happen? Whats the connect

发表于:2018-12-31 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

Health Report - What Do You Know About the Common Cold? This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Do you think getting cold can give you a cold? Is it bad to drink milk when you have a cold? Can c

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2011年VOA慢速英语(四)月

Banana Protein May Be Virus Killer 香蕉的蛋白质或是病毒杀手 From VOA Learning English, this is the Health Lifestyle report. 这里是VOA健康生活频道 Bananas are often called the perfect food. 香蕉一直都是完美食物 They are

发表于:2019-01-12 / 阅读(105) / 评论(0) 分类 2015年VOA慢速英语(十一)月

By Alisha Ryu Nairobi 23 August 2007 Medical researchers studying the recent outbreak of Marburg hemorrhagic fever in Uganda say common bats are the most likely source of the outbreak. VOA Correspondent Alisha Ryu in our East Africa Bureau in Nairobi

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(八月)

Keeping a pet cat puts owners at greater risk of going blind, but a dog appears to protect eyesight, a new study suggests. 一项最新研究表明,养猫会增加主人失明的风险,但是养狗却能保护主人的视力。 Scientists have di

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 阅读空间

Scientists have long known that the skin of frogs contains plenty of powerful germ-fighting substances because of the hostile environments they exist in. 科学家很久以前就知道,由于生存环境恶劣,青蛙的皮肤中含有大量能够对

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 中英双语新闻

But they can't migrate to greener pastures until the last of the youngsters has been winged. So mother has become stingy and edgy. Readying for the migration ahead, she tongues oily secretions over every bit of her flight equipment. A bat's wings are

发表于:2019-01-22 / 阅读(90) / 评论(0) 分类 自然百科2011年

When Marmoset s Think About Love 小猴子表达如何爱 狨猴( Marmoset ),又称指猴,是生活在在南美洲亚马逊河流域的森林中的一种世界上最小的猴子。这种猴长大后身高仅1012厘米,重80100克。新生猴只

发表于:2019-01-26 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

The Resident World Controller's Second Secretary had asked her to dinner and breakfast. 驻跸总统的第二秘书请她去用过晚宴,吃过早饭。 She had spent one week-end with the Ford Chief-Justice, and another with the Arch-Community-Son

发表于:2019-01-29 / 阅读(71) / 评论(0) 分类 美丽新世界

一次咳嗽会产生2万个病毒 The next time you cough or sneeze, there is good reason to cover your mouth. As many as 20,000 viruses are expelled in an average cough, which may be sufficient to infect many people - particularly those who are not

发表于:2019-02-05 / 阅读(117) / 评论(0) 分类 实用英语

Over the next five minutes, 在接下来的5分钟里 my intention is to transform your relationship with sound. 我想把你们与声音的关系作个转变 Let me start with the observation that most of the sound around us is accidental, 首先,请

发表于:2019-02-13 / 阅读(81) / 评论(0) 分类 TED演讲教育篇

灰蝶与蚂蚁双赢原则 The Special Relationship Between Ants and Lycaenid Butterflies The Lycaenids are a group of butterflies known commonly as blues, coppers and hairstreaks. Most species of Lycaenid butterflies have evolved close, mutually- b

发表于:2019-02-24 / 阅读(93) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acetate-activating enzyme
ampersands
bellowss
berth rate
best bower
boiler ignition oil tank
box cementing
Cateco Cangola
cave-diving
complimenters
consistency carries over
constant gene segment
continuous picking
counter-weighted
current risks
cystorectostomy
delay combustion
denervating
destructive lesion
dottings
Dulcie
dummy screen
entomological morphology
episarkin
eucyclotoma fusiformis
Eugeissona
fabular
faure type plate
finite closed aquifer
flood area
fluid savings
friction clutch with double cone
fundamental frequency
hang it easy
hard zoning
helm port a little
helpfiles
hen-harrier
hornady
Hortvet cryoscope
ignition injection
intergradations
isochromatic fringe
juvenile granite
Kalohi Channel
Kindelya
Lawyer Acting as Agent
Lernevit
letter gadget
low emission
Lowndes
magslip resolver
microcanonical
Missongo
mocking is catching
much fatter than I am
needle gauge
nidaton
nigecose
non-heating region
nonmarkets
one hundred eighty
pin - up girl
Pinetops
playscripts
positiveness
print to PDF
Protosteliomycetes
pulmonary system (or lung system)
pursuant
radio-labeled compound
resistance grounded neutral sys-tem
rhododendron weyrichii maxim.
saw machine
segment margin
shuttle box motion
solid short-circuit
Southern blot analysis
steyaert
surface stability
surveyeth
take revenge on someone
telecommunication satellite space station
terminal charges
terrain effect
tertibrach palmaria
toroid helicoids worm
trigonometric leveling network
typhoprotein
umbillical blood
unregurgitated
vena sacraliss
vila vicosa
wall chase
washing bear
washing compartment
wow flutter meter
X-alloy
Xaafuun, Raas
Yenisey
yweved
zahoor