石英(控制)振盪器

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(161) / 评论(0) 分类 英文名句短语

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(69) / 评论(0) 分类 侏罗纪搏击俱乐部

Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping

发表于:2018-12-31 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 VOA标准英语2015年(五月)

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(84) / 评论(0) 分类 科技之光

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(55) / 评论(0) 分类 英语新闻

AS IT IS 2016-03-11 Aung San Suu Kyi 'Apologizes' to Supporters昂山素季为未能成为下届总统而道歉 The longtime opposition leader of Myanmar, Aung San Suu Kyi, has apologized for not becoming the countrys next president. She posted a let

发表于:2019-01-12 / 阅读(121) / 评论(0) 分类 2016年VOA慢速英语(三)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(51) / 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(83) / 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(72) / 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(93) / 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(88) / 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(105) / 评论(0) 分类 阅读空间

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(59) / 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(79) / 评论(0) 分类 实用英语

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(61) / 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(73) / 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(62) / 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(78) / 评论(0) 分类 经济学人综合

Estimating crossing LV NDB 1123. 402. 预计1123飞越LV NDB台。 Passing POU at 43, maintaining FL310, estimating MLT at 55, next NLD. 403. 当前位置POU,时间43分,高度310,预计MLT55分,下一位置NLD。 BKM 47, FL170 descending to

发表于:2019-03-10 / 阅读(188) / 评论(0) 分类 飞行员英语900句
学英语单词
-ette
.pab
Algonquian languages
Aringa
average core transit time
bell-founder
Bilatan I.
billet
boiler door
bourding
break-point halt
Broad Sound
calibrated mount
choloepus didactyluss
clammer
completet deck
crap shooting
deoxynucleoside(deoxyribonucleoside)
dip moulding
displacement applications
downplayers
draw lift
dunches
electronic reading machine
elliptica
emitter-coupled monostable circuit
endocardial fibroelastosis
equitable consideration
establishings
fixed weight system
gain sharing system
germinal cell
gifted
granitical
grunberg
Gymnarchidae
halesia tetrapteras
hydraulic booster
hyper-growth
incremental display
inertial torque
ingeniary
intelligent (computer) terminal
itochondria
Jansky, Karl
jewish-christian
jonas distincta
Jylland
keckite
lanham
leonardus
liberty islands
limiting moving contact current
linscomb
mahmoods
marine environmental criteria
medlams
orienting
out of all Scotch
oxazepane
Oxoindole
parasol cell
passive electronic countermeasures (pecm)
pockhole
polyphenol
press pouring furnace
pressure unloading
propagation of very low frequency radio wave
quintessentialising
radio isotope
rauti
reductants
rendzinification
rhubarbs
sane person
screwing that
sesamoiditis
shepherding
shit talking
Sinovac
sivel
solubilizing agent
stretch'd
surplus banking
tail of the eye
tbl.
the sort of
to lower a boat
translation mode
tricloretic
tripody
ultrafitration theory
user label exit routine
variable mu
virginia fa.
virtual i/o instruction
visible LEDs
watertight pitch
wax pattern preparation
weare
worlie
yemeni monetary units