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(380) / 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(409) / 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(441) / 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(352) / 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(300) / 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(349) / 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(302) / 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(414) / 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(329) / 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(405) / 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(332) / 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(324) / 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(338) / 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(316) / 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(278) / 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(423) / 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(318) / 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(321) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aerial dump
alema
amalya
anacephalize
animal right
army terminal commander
assisted circulation boiler
backward extrusion
Balanophora Forst.
ballet dancer
behoove
boost separation
British Shipbrokers Association
buenache de alarcon
canary-coloureds
card programing
cassini coodinates
ceratitis capitata (wiedemann)
ceratium praelongum
Chipongwe
cis-anethole
Computing and Collecting Freight
cost-plus contracts
default code
design fault
detail plan
Dexamaine
diethylene glycol monostearate
diplohaplont (svedelius 1915)
disaccustom to
donor exhaustion
extrinsic gettering
fire-effected
foreguide
foreign trade turnover
fylingdales
Gomphidius
grillade
hand stand dive
imagists
in luck
inositol
insurance wpa
iPhone SE
isotope dilution spark source mass spectrometry
jaspe cotton
kaitz
kapnicite
konilogy
lipogranulomatosis subcutanea
liquid-hydrogen pump
magnetic energy-density
mamaguys
medical company
melt back transister
microminiature relay
microwave semiconductor diode
molten-salt sampler
multiple-strand casting machine
mussets
non-conservative motion
normal switch position
optokinetic
painbergite (painterite)
parallel strand roving
partion
peased
plos
powder monkeys
pre-exponential factor
propeller milk meter
puppet governments
rack block
rear centre
replicating form
rest house
reworkability
sales reps
self-pulsations
setness
silver coated reflector
ski pole
slopshop
snow mushroom
sour-cream
swelling stress
Sydney I.
syenitic
systemised
thermographies
trigonometric function lines
tunnel adit
undine
unit amplifier
upper confining bed
variating
ventilation by axial flow fan
vitrifacture
westerfeld
whistlin'
wig-picker
with relevance to