马氏体时效处理; 高强度热处理

New Body Clock Provides Clues to Aging From VOA Learning English, this is Science in the News. Im June Simms. And Im Jim Tedder. Today we tell about a newly-discovered body clock that provides clues to aging. We hear how learning new skills may help

发表于:2018-12-16 / 阅读(47) / 评论(0) 分类 2013年VOA慢速英语(十二)月

Caring for an Aging Population Everywhere in the world, people are living longer. Studies show the average age of the human population is rising. By the year 2050, an estimated two billion people will be aged 60 or older. And the number of people 80

发表于:2018-12-16 / 阅读(53) / 评论(0) 分类 2015年VOA慢速英语(四)月

From VOA Learning English, this is the Health Lifestyle report. If you have been meaning to add more exercise to your daily routine, you may want to start sooner rather than later. A 2018 study has found that a lifetime of regular exercise and activi

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 2018年VOA慢速英语(四)月

Grammar Girl here. Today's topic is text messaging. Karel (pronounced Carl) from Toronto, Canada, asked if I think text messaging is affecting how people write in formal situations. Well, I know it is for some people because Mia tells me so in this n

发表于:2019-01-07 / 阅读(32) / 评论(0) 分类 英语语法 Grammar Girl

DEVELOPMENT REPORT – April 22, 2002: UN Report on Aging By Jill Moss This is the VOA Special English Development Report. The number of people over age sixty is expected to increase two times during

发表于:2019-01-16 / 阅读(57) / 评论(0) 分类 农业与发展

SCIENCE REPORT – January 23, 2002: Aging Protein By Jerilyn Watson This is the VOA Special English Science Report. A new study suggests that a protein that protects animals from cancer early in life

发表于:2019-01-30 / 阅读(96) / 评论(0) 分类 科技之光
学英语单词
agliophobia
air-blast circuit-breaker
air-conditioning turbocompressor
Akan-ko
albedograph
aminoacyltransferase
andrase
anthophylite
antibody fixation
ash-hole
Association of West European Shipbuilders
axollemma
AZCDR
backmigration
Balatonlelle
Baloa
be hot at
Beclean
Beinn Heasgarnich
Camellia apolyodonta
carcharhinus limbatuss
cilly
compound elixir of benzaldehyde
constant shear layer
constrained parameter
context condition
currency position
dead-born
decantated
decibels above one kilowatt
department of otorhinolaryngology
desideratum
estimated time of interception
esto
ethnopharmacologists
evidence obtained illegally
factory trial
float ore
forum analysis
gaseous sphere
gholams
Goha
Grease the Palm
guided-missile control
haddington (east lothian)
heat absorption intensity
heavy key component
hematoxic
hemileaflet
hereditary osteopetrosis
high speed static pressure bearing
hindberries
hout
HyperTalk
i-scope
innovationists
lead screw turning machine
liquid hydrogen loading liquid line system
Macomb strainer
Manicuare
microwave device
mountain-hiking
multistar
Myebon
Offal-timber
office quarterback
orthorhombic form
oujdas
peekaboo bra
poetic imagination
presolar nebula
pressure survey
profusum
quartz brick
reconceal
recrements
regeneration curve
remedies precede rights
retaining-ring
salt lick
scheduled passing station
selenium ruby glass
shortage by ill will
shotcrete lining
speech centre
sprawlest
square level
stenothecids
stub one's toe
surface-field-effect transistor
tanning beds
tantamounting
tapple
telecommunication research establishment
teniothol
tetrahedral molecule
tree-based
tropical fresh water timber load line
typhemia
vitriolum
wireless mesh
woolfe