音标:['spairәgrɑ:f] ;
n. 呼吸运动记录器
[医] 呼吸描记器
n. a measuring instrument for recording the depth and rapidity of breathing movements
词型变化:名词复数形式 : spirographs

Maryland Mosque Invites Jewish Neighbors for Iftar As Muslims around the world observed Ramadan over the past month, one mosque in the suburbs of Washington found the holy month of fasting from sunrise to sundown could provide an opportunity for some

发表于:2018-12-08 / 阅读(48) / 评论(0) 分类 VOA标准英语2011年(八月)

09 Being an Early or Late Riser GLOSSARY watch out be careful; a phrase used to warn someone of danger * Watch out! Dont step into that hole in the sidewalk! up at the crack of dawn awake and out of bed very early in the morning * Shelby wakes up at

发表于:2018-12-26 / 阅读(80) / 评论(0) 分类 2010年ESL之日常生活

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2010年(十)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2014年(二月)

GWEN IFILL: The cost and affordability of good child care is the focus of the next installment in our series Parenting Now. It's a major concern for families throughout the country. And in different ways, it cuts across lines of class and income. The

发表于:2019-01-27 / 阅读(47) / 评论(0) 分类 PBS访谈教育系列

Spiro: Hey, watch out ! Nancy: Oh, Im sorry. I didnt see you there. I thought I would be the only person up at the crack of dawn . What are you doing sitting on the stoop at this ungodly hour ? Spiro: Im trying to turn over a new leaf . Nancy: What d

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 地道美语播客
学英语单词
a posteriori density function
air lift type agitator
alley-oops
an old hen
antiseptin
Arthur Holly Compton
Assal, L.
astilbe chinensis pumilas
audit of cash in banks
Belizean Dollar
bird-loving week
boylan
bronchial brushing
bucketmouth
cantonalist
carbon-bearing
CCIS
center of asian studies
CGIL
choss
clause mate restriction
commodity production with individual labour
Contingency Planning Guidance
cortical stimulus
courtship reaction chain
crepuscular organisms
Darwin turning indicator
data-clock separator
dentexes
desktop machine
diacetanilide
down on one's luck
endite
equivalent n-th modal unbalance
exact measurement
excess ampere-turn
exchange capacity
explicit operator
extension agents
fluidflow
gage calipers
gobernador
grass cloth
great grandsons
hand-holds
heavy injury
high strength hydraulic cylinder
high-contrast
incidence matrix of design
jacket potatoes
Kamarān
Kinashi-yama
lick off
line thunderstorm
LTIC
LVTC
lyctids
Mbaké
McCainiacs
Medart straightener
mitoflaxone
Myosurus
new york suable clause
on all cylinders
Otranto, Strait of
Oxytropis wutaiensis
pennsylvanian periods
periodicity factor
physical changes
pollution proof insulator
preparadigmatic
priacanthid
programme library
promoteability
rahabs
resource efficiency
shockoe
silkworm nursery
single-acting fuel supply pump
skid derrick
skymasters
solid fats
solid spindle
soredial
squash bugs
staining power
stainless steel kettle
steering box
street design
subquadrupl
sulpharsphenamine
ten-day reports
terrenho
tilt sag
tithe proctors
titration end-point
transposes
turnout core box
V-signs
Villiers, Frederio
Wolmirsleben
work carrier