音标:['taiәlin] ;
n. 唾液淀粉酶
[化] 唾液淀粉酶
n. an amylase secreted in saliva
词型变化:名词复数形式 : ptyalins

Voice 1 Welcome to Spotlights Listener Mail Program. Im Colin Lowther. 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 Have you e

发表于:2018-12-02 / 阅读(350) / 评论(0) 分类 CNN美国有线新闻2015年1月

Floods Threaten Somali Food Security 洪水威胁索马里食物安全 After a poor rainy season early this year, parts of southern Somalia now are being hit with severe floods. The rainy season that began in October has caused flooding along the She

发表于:2018-12-08 / 阅读(266) / 评论(0) 分类 VOA标准英语2014年(十月)

We caught up with Sarah Palin at her home on the western end of Wasilla, the two-storey home she and her husband built five years ago. Its ringed by evergreens and saw-toothed mountain peaks, and even as a parking spot for their seaplane outback. I

发表于:2018-12-11 / 阅读(270) / 评论(0) 分类 访谈录2008

Voice 1 Welcome to Spotlight. I'm Robin Basselin. Voice 2 And I'm Ryan Geertsma. 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 Catalin first met Oltita

发表于:2018-12-19 / 阅读(261) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight. I'm Robin Basselin. Voice 2 And I'm Ryan Geertsma. 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 In 1989, the government o

发表于:2018-12-19 / 阅读(266) / 评论(0) 分类 环球英语 Spotlight

Sarah Palin (born 1964) is the first woman to be selected by Americas Republican Party as vice-presidential nominee. She is also governor of Alaska. Although she was little-known by most Americans, those in her party have taken her to their hearts. H

发表于:2019-01-01 / 阅读(272) / 评论(0) 分类 各国名人英文介绍

Former Alaska governor and vice presidential candidate emerging as force within Republican Party and among conservative activists Jim Malone | Washington 09 February 2010 Former vice presidential candidate Sarah Palin addresses conservative activists

发表于:2019-01-31 / 阅读(272) / 评论(0) 分类 VOA标准英语2010年(二月)

The Saudi developer behind plans for the world's tallest building said Sunday it had secured financing to complete the record-breaking project. 周日,沙特阿拉伯世界最高建筑计划背后的开发者说,他们已经拿到了资金来完成

发表于:2019-02-03 / 阅读(271) / 评论(0) 分类 阅读空间

By Phuong Tran Praia, Cape Verde 15 April 2007 When people talk about Cape Verdean music, it is inevitable they mention Cesaria Evora, the singer who introduced many to the country's melancholic music known as morna . Some have said that singer Tete

发表于:2019-02-04 / 阅读(309) / 评论(0) 分类 2007年VOA标准英语(四月)

Two welcome new biographies of Charles Dickens whose birth 200 years ago will be celebrated next February 两本查尔斯狄更斯新传记,喜迎明年二月狄更斯诞辰200周年。 Becoming Dickens: The Invention of a Novelist. By Robert Dougl

发表于:2019-02-17 / 阅读(300) / 评论(0) 分类 经济学人综合

Voice 1 Welcome to Spotlight. I'm Robin Basselin. Voice 2 And I'm Ryan Geertsma. 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 In 1989, the government o

发表于:2019-03-04 / 阅读(290) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight. I'm Robin Basselin. Voice 2 And I'm Ryan Geertsma. 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 Catalin first met Oltita

发表于:2019-03-04 / 阅读(306) / 评论(0) 分类 环球英语 Spotlight
学英语单词
acanthellas
accidentary
acoustic board
Adioukrou
Alexei
bead plant
biochemical ecology
biofeedback control
blind corners
bourgeoisified
business-networking
cabrera-frank theory of growth
cardinal point effect
cargo work
caronamide
chambermaids
circumventions
clock burst
contraorbit attack
cytolipin
dar al Islam
deckboat
deconstrues
Demopublican
East Elbian
Ecdysanthera
electric rebar cutter
emballs
end tip trailer
enginerooms
equi-proportional sacrifice
etch-resist
exciting contact
female parent
finite limit
gaddy
goal keeper (goalie)
guidebook
handle stickling machine
high order end
honey-leaves
Howeel Burnger valve
hydrops amnii
instrument of punishment
internal ether
interplanetary space physics
iron grease cup
Kaukurus
landoes
Langerhans'layer
layrock
light-brown
magnotest
Malloydium
mark hopkinss
marmoratum
material tray
Melanotheca
mius
nonlinear duality
nonlosing
original means of production
os1 acromiale secondarium
otunnu
oversimples
parasitical conjunctivitis
parcel post risks
preferential orientation
profiteers
pulling of seedlings
pulverulently
quadruple system
re-break
re-study
reference ambient temperature
Resian
rienda
righthead
Schoodic L.
seafordes
Sekitia
selector shelf
seroot
severe overload
sharing resource
silica leakage
sir richard
SMAWK algorithm
soil erosion factor parameter
spot desmosome
super video home system
swine-flesh
switch circuit controller
thallous natrolite
the whole schmeer
Treatise on Coldinduced Febrile Diseases
true fault
truth-values
vomerine tooth
w-s
well-shooted
yerupajas