[电] 石英晶体滤波器

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(249) / 评论(0) 分类 掌握英语发音

Lesson 80 The Crystal Palace 水晶宫 First listen and then answer the question. 听录音,然后回答以下问题。 How many people visited the Great Exhibition of 1851? Perhaps the most extraor

发表于:2018-12-08 / 阅读(346) / 评论(0) 分类 新概念英语第二册

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(172) / 评论(0) 分类 365个英语简短小故事

The script of this programme 本节目台词 The Crystal Palace was a building made almost entirely of glass John: Hi there! Welcome to On The Town from a very interesting part of south London. I'm John, with me Oliver. We're at Crystal Palace. Oliver:

发表于:2018-12-19 / 阅读(235) / 评论(0) 分类 都市掠影

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(143) / 评论(0) 分类 侏罗纪搏击俱乐部

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 2018年VOA慢速英语(一)月

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(139) / 评论(0) 分类 英语新闻

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(126) / 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(172) / 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(144) / 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(158) / 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(158) / 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(175) / 评论(0) 分类 阅读空间

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(209) / 评论(0) 分类 2007年VOA标准英语(五月)

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(132) / 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(172) / 评论(0) 分类 实用英语

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(154) / 评论(0) 分类 环球英语 Spotlight

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(156) / 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(135) / 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(151) / 评论(0) 分类 经济学人综合
学英语单词
acute gouty arthritis
aminoimidazole
automatic tellers
automatic tracking antenna
azeotropic copolymer
beambirds
belpr
besang
blaschko's lines
boarding inspector
Bogong, Mt.
budget-output
Camptotheca acuminata
cat fight
centring bolts
cerebrospinal fluid (csf)
character-display unit
clutch spring heat insulating washer
copper nickel converter
crediting with
cycloadditive
Dazhong (K4)
despertar
Diourbel
drilled oil ring
dumb missile
eared screw
efficient airway size
entostroma
falling edge
flameproof joint
Forsytes, the
fried tofu
fruit retention
genus Grias
genus Onobrychis
Hauy's law of crystallisation
header table
helium spectrometer
hernia of the nucleus pulposus
home leave
human ecosystem
icw (interrupted continuous wave)
information entry logical unit
Irish gorse
jean
lapsers
long floor frame
LWL
madls
naesp
nasoturbinates
neurothemis ramburii
noncontrol
Novikov gear hob
official bulletin station
overcropped
overdramatise
P12
pal(a)eomagnetic stratigraphy
Pameče
paper thermochromatography
paraphrastic
pigskins
pityriasis rubra pilaris
Podolians
pull-focus
r-sc
Raman scatter
rayleigh-janzen method
reduced thickness
retenue
road book
rocky impurity
saw their way clear to doing
scaphiopodid
sea-pusses
shoot-offs
shunted monochrome technique
slide valve circle
sodium nitrate and potassium nitrate mixture
speargunner
sport management
substitution function
subsystem control
surloin
switching mode
syntan
tabito
testamentary
tetrasomic(blakeslee 1921)
thallium(i) selenide
thermal desorption method
to make better
tomato tumors
tool shed
trade-union bureaucrat
unit-linked policy
venum
watering
wave-band switch
Wufeng Township