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(186) / 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(106) / 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(118) / 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(131) / 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(131) / 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(117) / 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(115) / 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(133) / 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(167) / 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(129) / 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(152) / 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(154) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a blinding flash
acid-base equilibrium
alphitonin
alternating current dump
ammonia synthesis
atomic fluorescence spectrometry
backfires
Bangante
bawla
bay pt.
beltra lough
billingss
body light
broad sense Mathieu function
bubble diameter
bullyman
bursa mucosa subfascialis
Castniidae
certificate of date of sailing
Chifley, Joseph Benedict
Chlebicov
chronic hemo chromatosis
Class A
combined bridge console
come up with the rations
credit constraint
cregier
cystitis cystica
daily price limit
declaratory effect
depth of zone
dinner dress
dortour
error free coding
feather brick
flameless burner
fletion
fluorigenic reaction
foliate spheroid
Fort Kent
handing on
high-frequency transformer
iniquity
initial liquid level
insulating rolled product
intertransversarii anteriores cervicis
isthmus uteri
kiefel
Laomedon
malaviya
manpower demand survey
masculinizable
masseuse
matching-ups
methods of measurement
milli-radians
monotonic transformation
moon phase jumper spring
narnias
nickel-chromium/copper-nickel thermocouple wire
node matrix equation
noise communication channel
nondestructive service
nonflagged
oil residue
outpouchings
palmer-worm
Pan-en-theist
peak shape factor
penalty envelope
Petitmenginia
piezoelectric coupler
ping you
Plectospirifer
plus time shift
posterior intermediate sac (or posterior thoracic sac)
postinflammatory melanosis
primary mortgage market
pseudocellula
quartar
quiz night
rheumaophthalmia
rotary drill boring
sampling representative
self-tappings
sequential colour system
setenosemicarbazibe
spillage conveyor
steyrs
story of my life
supervising production process
tabulated solution
throwing back
thrust pressure
time sequencing
time-zero
toner metering roller
undifferenced
us -faced
velar tentacles
visceralis pleura
viscous effect