石英加速度计

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(十)月

JUDY WOODRUFF: And now to a second tech story, this about the public launch of Twitter.The social media giant announced late yesterday that it plans to raise $1 billion by offering shares soon through what's called an IPO. Started just seven years ag

发表于:2019-01-22 / 阅读(56) / 评论(0) 分类 PBS访谈商业系列

What? No, don't put me on hold. on hold:等着通电话 什么? 别啊,别让我再等了。 -Howard:Do you believe him? 能相信吗? Normally around women, he has the personality of a boiled potato. Normally:通常 personality:个性 bo

发表于:2019-01-28 / 阅读(77) / 评论(0) 分类 生活大爆炸第二季

Theres a zillion characters in Game of Thrones, even after a bunch of them have been brutally bumped off. But among the likes of Tyrion, Bran, Dany, and pals, whos really the main character? A team of mathematicians used a power far beyond Melisandre

发表于:2019-02-07 / 阅读(43) / 评论(0) 分类 阅读空间

Aquamarine 海蓝宝,兰玉 Garden Crystal 绿幽灵 Azurite 兰铜矿 Aventurine 砂金水晶 Amethyst 紫水晶 Ametrine 紫黄晶 Amber 琥珀 Emerald 翠玉 Onyx 黑玛瑙 Opal 蛋白石 Obsidian 黑耀石 Carnelian 红玉髓 Calcite 方解石

发表于:2019-02-13 / 阅读(61) / 评论(0) 分类 实用英语

George Daniels 手握乾坤:制表大师乔治丹尼尔斯 George Daniels, master watchmaker, died on October 21st, aged 85 近250年来最伟大的制表师乔治丹尼尔斯(George Daniels)于10月21日去世,享年85岁。 A SCHOOLBOY once

发表于:2019-02-25 / 阅读(62) / 评论(0) 分类 经济学人综合
学英语单词
action music
adular
alaunt
alloy junction phototransistor
amaas
artemisinic acid
be impatient with
best times
Bidault, Georges
biological rotating disc process
boaling
calcinosis of scrotum
campeanus
company limited by shares
confessionalised
conical external toothed lock washer
continuous-current test
contour record
contriturate
Cryptbergia
cusped trailing edge
cutzamala de pinzon
d'wayne
dai
dangereuses
design power range
divided loyalties
door control circuit
electronic pop
employment stabilization fund
epithema taiwanensis taiwanensis
faulty prosthesis
Femspeak
football-pools
formatio grisea
four-channel sound system
fresnoy
FrontDoor
gartered
gas-oil mixture
giving it up
global temperature
guidanuce sensor
hardshell
head traction
heat release
herborized
Ibn Najm, Hawr
in deed
inductive leak detector unit
internal aperture of cochlear aqueduct
internal rotation
interstitioma
justice has been done
karstifications
kinematic instability
kozik
Larvaevoridae
Lascahobas
liquid-filled membrance pressure gage
many materials for mulching
maximum flooding surface
Mohga
natural weighted bcd number
net hook
nichrome coating
noncandidacy
nonsecured
North Atlantic Westbound Freight Conference
oil driven pump
osmotic fragility test
pan-Teutonic
patrolatry
peloton
personal-credit agreement
poneman
rack cutter
raims
recognition procedure
redhawk
resurfacing welding
rolling about
Rosston
rouncy
salanganes
santley
side spacing
square hysteresis loop material
stormdrum
straight shooters
subtemporal approach
superior retractor
supplier appraisal
third-class objects
tree sort
trichloro-aldehyde
trichocoma paradoxa
union gear
versate
vertical aerial effect
visceral lemniscus
with code symbol