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(145) / 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(73) / 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(85) / 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(97) / 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(91) / 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(96) / 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(83) / 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(108) / 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(142) / 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(93) / 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(124) / 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(134) / 评论(0) 分类 环球英语 Spotlight
学英语单词
ad-writer
Anaphalis rhododactyla
angelaite
autospores
average total cost
Bourg-en-Bresse
BSSMS
cam spindle
campusing
capitals of madagascar
Channel Four
chapattis
cinema-verite
conserved blood
constructivist
copper work
covenstead
crosshole seismic
crown counsel
Cyclobalanopsis kouangsiensis
decasulfides
development of technology
ditrigonal pyramid
document system
dolly zoom
eins
Euxinian
excretory idioblast
executive assistant
family Arcellidae
fat rascal
five-colour theorem
five-digit number
five-unit code automatic transmitter
forward scattering spectrometer probe (fssp)
genus chaetodipteruss
geotagging
Girnar Hills
gravitational physiology on spaceflight
H-test
head-aches
heat and mass transfer
Hendrina
Hesperis trichosepala
high speed wheel
hot from the press
howlback
hydroelectric station
hypothetical-deductive system
indexed bond
intake with artificial transverse circulation
john lacklands
Jonesburg
Khapkhali
kolymite
Ljungstrom steam. turbine
lower bathypelagic zone
maximum effective size
measurers
melampsorella caryophyllacearum schr?ter
metanormal
metastories
monoderivative
musterable
neuropathic
non gras substance
opercular chamber
ophthalmious
orchat
pads of paper
parallel shed
paranoids
peripheral zone
periplasmodium
phlogisticated air
poppy flower
pure ensemble
recorporification
rectangular disk laser
reflectance value
relevancy and admissibility of evidence
ribbon stripe
Septoria helianthi
shriveler
smiling on
stenothermic plant
stop-cylinder press
Subtendinous
suffrance
tangible impact
Teberdinskiy Zapovednik
tetrasilicane
trickle-up effect
trip out torque
tropopsamment
unaccountably
uremic myocardiopathy
Venae interlobulares
vitrodurite
void filler
washer for turbine generator screw lock
zooter