石英压力传感器

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 2017年Scientific American(二)月

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 侏罗纪搏击俱乐部

Robots have at least one unfair advantage over human workers: they do not pay income tax. 与人类劳动者相比,机器人至少有一个不公平的优势:不用缴所得税。 Bill Gates, co-founder of Microsoft and the worlds richest man, th

发表于:2019-01-07 / 阅读(117) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(四)月

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 TED演讲教育篇

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 实用英语

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(131) / 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(141) / 评论(0) 分类 生活大爆炸第二季

It didnt take long for the Brazilians to rewrite the norms of Olympic fandom. 巴西人没用几天就改写了奥运会观赛规则。 The list of Olympic participants targeted by Brazilian boos is long and varied: Russians, due to its doping scanda

发表于:2019-02-01 / 阅读(144) / 评论(0) 分类 趣味英语

Fashion trends keep changing. Every season designers seem to enjoy surprising people with something new. 时尚潮流千变万化。每到新的一季,设计师们似乎都热衷于用新鲜事物惊艳我们的眼球。 This spring is no exception

发表于:2019-02-01 / 阅读(159) / 评论(0) 分类 阅读空间

The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(133) / 评论(0) 分类 VOA标准英语2010年(六)月

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(118) / 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(160) / 评论(0) 分类 实用英语

The Pike River Mine Commission is still listening to evidence about why 29 men died at the mine last November. Each day, we hear about things that were not right at the mine. There were money problems. The mine was losing money and the men were under

发表于:2019-02-17 / 阅读(137) / 评论(0) 分类 新西兰英语

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 趣味英语

At 3,000 feet, their little porthole was subjected to nineteen tons of pressure per square inch. 到了900米,小舷窗受到的压力高达每平方厘米2.95吨。 Death at such a depth would have been instantaneous, as Beebe never failed to obse

发表于:2019-02-25 / 阅读(148) / 评论(0) 分类 万物简史

Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light

发表于:2019-02-25 / 阅读(140) / 评论(0) 分类 双语有声阅读

Swiss watches and the Apple Watch 瑞士手表与苹果手表 It's not about time 这和看时间没有关系 Traditional watchmakers are confident they can see off Apple's new bauble 传统手表制造商有信心看到苹果华而不实的新玩意儿

发表于:2019-02-25 / 阅读(117) / 评论(0) 分类 经济学人商业系列

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(133) / 评论(0) 分类 经济学人综合
学英语单词
alligator rolling set
antileukocytic
arteria meningea posterior
be at an advantage
be put into production
bent money,bowed money
best in class
besteaded
binary zone plate
biological reclamation
bryological morphology
bud variability
CAA
Cephalostachyum scandens
collaborative master data management
color-copy
conjugated hydrocarbon
consult a dictionary
corese
Cuthah
dactylaria purpurella
direct transfer of control
disrelishment
dragged by
drum type swath aerator
dynamic cumulus
Elemaster
emasculators
entrance door location
equalopportunity
exigi facias
field balancing technique
floating decimal arithmetic
fluid savings
frequency record
front-wheel steer
gap-bed lathe
gaseous electronic detector
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giddyup
grating monochrometor
heat-conducting medium
hermas
hyaluranectin
hyperanalytic
i can do it
immunocolloidal
incinerator exhaust gas
incress
inmost
inpatriate
installation of double wedge piece
insulation resistivity
king nut
laid down the law
mark point
marsans
native english
normalization of scores
pan-molecule
partial fault tolerance
phosphorescence intensity
platinum chloride
polygon ization boundaries
popcorn hoes
preputium penis
pressure coefficient of viscosity
pressure gas weld
pressure-plotting
production rule semantic networks
prostrators
pseudo-radial equilibrium
Rhododendron rigidum
riverines
rubbernecked
satellite weather information system (swis)
self-assessed
semantic class
semi-butterfly circuit
Sligo, B.
slow line
sodium deoxyribonucleic acid
speeding ticket
ssq
subterminal outflow
sulfonalbil
surface-equivalent
synchro resolver transmitter
taylor mt.
thermoforming
Things are in good train
thylose
tremetol
Usimbe
value-shiftings
valueadded
vibration criterion
virgin islandss
Vwavwa
weissia longidens
wheel lubricator
windass