[机] 伯格斯(炼铁)法

ARI SHAPIRO, HOST: The first Harry Potter book came out 20 years ago today. And before there were multimillion-dollar movies, Sorting Hat Halloween costumes and temporary tattoos of a lightning scar, there were just two books published in England tha

发表于:2018-12-18 / 阅读(40) / 评论(0) 分类 2017年NPR美国国家公共电台6月

The Burgess creatures, they believed, weren't as strange and various as they appeared at first sight. 他们认为,布尔吉斯动物群并不像初看起来那么古怪,那么多种多样。 They were often no stranger than trilobites, Fortey sa

发表于:2018-12-18 / 阅读(47) / 评论(0) 分类 万物简史

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Doug Johnson. VOICE TWO: Hammerhead sharks in the waters surrounding the small Pacific island of Malpelo, a Colombian wildlife sanctuary and a popular area for divers And I'm Faith La

发表于:2019-01-11 / 阅读(39) / 评论(0) 分类 VOA慢速英语2007年(一)月

A wolf accused a fox of theft,but the latter entirely denied the charge.An ape undertook to judge the matter between them.When each had fully stated his case,the ape pronounced this sentence;I do not think you,wolf,ever lost what you cl

发表于:2019-02-09 / 阅读(59) / 评论(0) 分类 趣味英语

What was most surprising, however, was that there were so many body designs that had failed to make the cut, so to speak, and left no descendants. 然而,最令人吃惊的是,如此之多的体形,打个比方说,却缺少深度、没有留下

发表于:2019-02-17 / 阅读(38) / 评论(0) 分类 万物简史

If you could fly backwards into the past at the rate of one year per second, 要是你能以每秒钟一年的速度飞回到过去, it would take you about half an hour to reach the time of Christ, and a little over three weeks to get back to the

发表于:2019-02-17 / 阅读(39) / 评论(0) 分类 万物简史
学英语单词
albuminuretic
Amrabad
anacronyms
Antrodoco
asio
Ayudhya
ba ngoi (cam ranh)
basis pedunculi
Big Canyon
bike lane
black agent
bob head
bridge ratio arm
cell sructure
chemical vapour deposition
chemosensitizer
Child Tax Credit
CHUBB
commercial plan
conservest
cross education
curarizations
deaf ear
decimal filing
deck superstructure
Dewey, Melvil
disputacity
Elaeocarpus arthropus
electrosensible
equilibrium level of income
execeptional values
external palatine vein
eyebrows grafting
Eyéno
fingerspelled
fire commissioner
fluanisone
forward breakdown
German text
germanium detector
glass semiconductor read only memory
go it boots
go to Davy Jones
gratifieth
halichoeres hortulanus
haracana
Hare's hydrometer
iatroepidemics
immunocontraceptives
indirect absorption
innocent xis
intestinal catarrh
involute spline gauge
ixionolite
LDS (line disconnecting switch)
leopard's-bane
list of preliminary determination
lmu
lung field
magnesium hydrogen tartrate
mainsail
mampalon
mid-channel bar deposit
modulator and demodulator
nonbonding molecular orbital
not-so-green
nuclear locally convex
nuclear reactor kinetics
nurnbergs
one-dimensional line element
open top feeder
operator's set
photoelectric translating system
postow
power screw driver
prepainting
primary pearlite
private wire network
psychal
pteropurpura adunca adunca
readerpunch
reappraied
reception status
reverberant
shertzer
shockproofs
single phase alternator
sinularia flexibilis
spoonhook
tausugs
thermometer well
thrombotically
transport to unloading
tread concavity
tree climate
urgent plea survey
user friendly system
VSCS
vulval tuberculosis
wet tumbler
Winogradsky's culture-medium
ziguinchors