速度-时间关系线图

Ever, who waits to open his or her parachute, terminal velocity is around 150 m/h. Philex Boundgardner is expected to hit that at around 5000 feet. Of course by then, hell already have dropped more than 100,000 feet. Brian Tod dives in the details on

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 CNN2012年(六)月

一、文章及段落起始常用的过渡词语 to begin with 首先 【例】To begin with, smoking should be banned in public areas. 首先,在公共场合应该禁烟。 first of all 第一,首先 【例】First of all, many people in remote

发表于:2019-01-03 / 阅读(28) / 评论(0) 分类 考研英语

Graph Search的理念在于,以谷歌搜索引擎发掘互联网信息的方式,发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命:不仅帮助用户与已知的他人建立联系,还能成为一款发现工

发表于:2019-01-05 / 阅读(61) / 评论(0) 分类 英语新闻视频

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)

Michelson talked Alexander Graham Bell, newly enriched inventor of the telephone, into providing the funds to build an ingenious and sensitive instrument of Michelson's own devising called an interferometer, which could measure the velocity of light

发表于:2019-01-29 / 阅读(39) / 评论(0) 分类 万物简史
学英语单词
abdoes
advance freight
althor
arissa
auxiliary fire vehicle
Benvenuto
birefringent fluid
bratkovsky
bulla a frigore
Calles, Plutarco Elias
camel toes
Chanamyn
co-state
color mineral
combat information
combined balance sheet all fund
Contamana
coriae
curve of declining angle
customary quick
customs seizure
cutback irrigation
death snow
depth-charged
dextrinized
domestic list
dry-type evaporator
ego ideal
entomostracous
espel
external document
external priority interrupts
Feld washer
fine metric thread
fish taco
fleshen
fluctuating rate
fluoxetine (prozac)
foreign exchange conversion
framing timber
free speech movement
gasps out
genus Nigella
glovismycin
greater occipital nerve
harmonic leakage reactance
hastite
have eight annas of dark blood
hitch adjustment
Hlaingronwa
human chorionic gonadotrophins
hyperhomology
immunopositively
iron melting pot
isbeil de-zincing process
ISM,I.S.M.
Kitob
knuring
l.n.
leith hill
Lindhorst
luk
m.t
Maros
minilecture
misconceited
mixture adjustment
nemhauser
non-apoptotic
one figure number
orifice support
pig-iron mixer
Poiseux
polyhedral complex
porpere
posidonia
procedure statement
ptolemais
reheat effect
revab relief group
rim segregate
Sanskritizes
sapient
seabone tracking and ranging station
semipositive mold
shoe-bomber
slope distance
sound-level control
spin alignment
stick in sb.'s crop
subrepresentations
syringa giraldiana schneid.
system research
tetradontid
tolyl methyl ether
total savings deposit
two-core fixture wire
Ulmus glaucescens var. lasiocarpa
unlocated household
urethral suppository
vulvorectal
Wassaic