近日点黄经

Haappy New Year. And dont feel bad about taking today off. After all, youve travelled far, and Im not talking about the trip home from the party. According to NASA, just by being on the planet Earth in the last year, youve zipped about 584 million mi

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 2014年Scientific American(一)月

Happy new year and dont feel bad about taking today off, after all, youve travelled far. And Im not talking about the trip home from the party. According to NASA, just by being on the planet earth last year, youve zipped about 584 million miles aroun

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 Scientific American(一)月

STEVE EMBER: This is Steve Ember. BOB DOUGHTY: And this is Bob Doughty with the VOA Special English program EXPLORATIONS. Today, we tell about how people learned an important piece of information necessary for safely sailing on the oceans. It is call

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 2010年VOA慢速英语(七)月

You Traveled Far Last Year Happy New Year! And if youve been away from work for a few days, you deserve some time off. After all, youve traveled far. Even if you just stayed at home. According to NASA, just by being on the planet Earth in the last ye

发表于:2019-01-20 / 阅读(42) / 评论(0) 分类 2018年科学美国人1月

EXPLORATIONS - The Story of Longitude By Oliver Chanler Broadcast: Wednesday, July 27, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Far away from land, ships need to find their longitude so

发表于:2019-01-30 / 阅读(53) / 评论(0) 分类 Explorations
学英语单词
'Amara West
aber
allotment area
allyl isovalerate
approximeeting
aseptic box
asphalt (asph)
be divorced from
bedient
beflag
bibliolatry
bite type union
brother chain
brush weir
calcium phosphate gel
capacitance junction
cephalometers
cheshire-cat
china policy
coalescing
come up to the scratch
comparison of field by vibration
conjugate plano-concentric resonator
copper-oxide (cuprate) superconductor
Coprinus
credit for tax on prior transfer
data schedule
dynamic capacity
dynamic current limit
Eleutherococcus nodiflorus
ferroelectricities
Frederick Carleton Lewis
full-mouth
gambinos
ganglines
gergens
glacier mud
glass eye
goldfishery
gurglingly
Haemostop
hand labo(u)r
hand-made rug
hebenstreit
high in ash
hydrolabyrinth
insulating coating
ldus
legisla
lepro-
lightray propagation
lockout/reset
Lumbago-Sciatica
m-banking
mercurous
missing factor
MKK3
multicampus
noninjurious
nonionized
nuclear-induce directed-energy weapon
ogley
one-sided system
oscillatoria formosa
outline border
plant product impors
positive action
PPAT
precipitation from homogeneous solution
preliminary breaker
primary degeneration
putridness
reinforced concrete plate
ribbon muscle
right-hand revolving engine unit
rolms
rupture time
schizogenic space
science teachhing
seattle slews
shendfulness
snivelled
soft point
spheromeres
territorial sea strait
thermoset plastic
thin section staining
time-shifter
torsional bending motion
transparency of atmosphere
Trivago
trust
turnpikings
unpatriot
up one's Nose
uterine apoplexy
valve lever clearance
virtual address formation
waxcaps
well-vascularized
white metal alloy
xylulose