un. 锯齿形输出信号
[网络] 锯齿波输出

February 28 is National Tooth Fairy Day. This day celebrates one of childhoods make-believe visitors. Others include Santa Claus and the Easter Bunny. The Tooth Fairy comes in the middle of the night after a child loses a milk tooth. Parents tell the

发表于:2018-12-04 / 阅读(120) / 评论(0) 分类 英语课程学习计划和讲义

[00:00.00]chapter 2 Computer Hardware [00:02.31]第二章 计算机硬件 [00:04.62]Dialogue 1 [00:05.73]句型1 [00:06.84]A:I thought computers were supposed to make your life more convenient. [00:09.26]我想电脑应该是让人的生活更方便才

发表于:2018-12-05 / 阅读(186) / 评论(0) 分类 电脑英语

Ben's tooth Ben was eating an apple at school, ow! he said. Oh, look! My tooth has come outand here it is, in my apple! Ben went to show his teacher. Look, Mrs. Green, he said, My tooth has come out. Here's a little box to put it in, said Mrs, Green.

发表于:2018-12-06 / 阅读(198) / 评论(0) 分类 Cherry老师讲英文故事

Days of Painful Tooth Repair May Be Over From VOA Learning English, this is the Health Lifestyle report. Many people fear a visit to the dentist. They are not so much afraid of the doctor, but of the dental equipment and treatments. Well, fear no mor

发表于:2018-12-16 / 阅读(112) / 评论(0) 分类 2015年VOA慢速英语(九)月

Maxwell put up his hand and waited for his teacher, Mrs. Gilbert, to notice him. Do you have a question, Maxwell? she asked. Its more like a problem, Maxwell said. I lost my tooth. Maxwell stood up and held out his hand to show his class his baby too

发表于:2018-12-18 / 阅读(102) / 评论(0) 分类 Children’s Stories-儿童故事集

a tooth pulled A man and his wife entered the dentist's office. The man said, I want a tooth pulled. We're in a big hurry, so forget about any pain killers. The dentist said,You're very brave. Which tooth is it? The man said to his wife, Show him y

发表于:2018-12-26 / 阅读(110) / 评论(0) 分类 英语笑话(MP3+文本)

OPEC will cut its oil output by 1.5 million barrels a day starting in November, with chances of more cuts to come. But from Paris, Lisa Bryant reports the announcement was met by a further drop by financial markets. OPEC hopes that by cutting output

发表于:2019-01-13 / 阅读(137) / 评论(0) 分类 VOA标准英语2008年(十月)

释义: Long:长的,tooth:牙齿;字面来看呢,long in the tooth是牙齿长的意思; In english:Old in age. Mostly used when referring to people or horses.英文里指的是年纪大,一般指的是人或者一匹马; 来源:

发表于:2019-01-17 / 阅读(92) / 评论(0) 分类 英语俚语天天说

He dreamed that one of his teeth had fallen out. He told his classmate. She said, In my country, such a dream means a relative is going to die soon. He asked, Really? Any particular relative? She said, Yes. It depends on which tooth falls out. He sai

发表于:2019-01-22 / 阅读(102) / 评论(0) 分类 英文短篇故事(纽约)

OPEC Agrees to Reduce Oil Output Kerry Sheridan Oil prices edged higher Tuesday after ministers from the Organization of Petroleum Exporting Countries (OPEC) agreed to reduce output. OPEC ministers ha

发表于:2019-01-31 / 阅读(125) / 评论(0) 分类 VOA2004(上)--各类新闻

China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say

发表于:2019-02-03 / 阅读(145) / 评论(0) 分类 cctv9英语新闻2015年

Primitive peoples believe that hair, nail clippings, and lost teeth remain magically linked to the owner even after they have been disconnected from his body. As any voodoo artist will tell you, if yo

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 阅读空间

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(128) / 评论(0) 分类 英语新闻

An expert at the International Energy Agency says it may be many months before Libya's damaged oil industry can resume full production. The head of IEA's Oil Industry and Markets Division, David Fyfe, said Thursday there are many logistical, operatio

发表于:2019-02-06 / 阅读(106) / 评论(0) 分类 英语新闻

By Lisa Bryant Paris 01 February 2008 OPEC's 13 members, meeting in Vienna Friday, rejected calls by the United States to increase oil output. The oil cartel said supplies meet current demands. Lisa Bryant has more from Paris. Following talks in Vien

发表于:2019-02-06 / 阅读(114) / 评论(0) 分类 VOA常速英语2008年(二月)

BEIJING, Dec. 9 (Xinhua) -- China's industrial production growth continued to accelerate in November, indicating that the nation's economy is rebounding after seeing its lowest expansion pace in more than three years. China's value-added industrial o

发表于:2019-02-06 / 阅读(116) / 评论(0) 分类 英语新闻

China's industrial output growth accelerates in October BEIJING, Nov. 9 (Xinhua) -- Industrial production growth continued to accelerate in October, presenting evidence that China's economy is picking up steam after seeing its lowest growth rate in m

发表于:2019-02-06 / 阅读(115) / 评论(0) 分类 英语新闻

我们都知道,英文里,this和that可以用来表示这个、那个,它们叫做指示代词,其复数形式分别为these(这些)和those(那些)。其中近指用this和these,远指用that和those。其主要用法如下: 一、基本用

发表于:2019-02-07 / 阅读(131) / 评论(0) 分类 英文语法词汇

China's autumn grain output to hit record high BEIJING, Oct. 19 (Xinhua) -- China's grain output this autumn is likely to hit a record high and bring a ninth year of consecutive growth in the annual output, an official with the Ministry of Agricultur

发表于:2019-02-08 / 阅读(328) / 评论(0) 分类 英语新闻

It的用法 1.作人称代词 John likes playing Pingpong./ He always does it in the afternoon.(指代上下文提到的事物);/It's time we went home. / How far is it from here to your home ? / It is getting warmer and warmer./ It's very

发表于:2019-02-13 / 阅读(81) / 评论(0) 分类 英文语法词汇
学英语单词
.lha
aids-preventive
aircraft-pavement classification number system (acn-pcn)
amaerobic
an apple of discord
anti-toxin
automatic system safety control device
battcher
Beaufort, Henry
cam roller assembly
capital input
cell line
Chlorobium
cisclomiphene
Cisco certification
citycenter
clematis chinensis osbeck
coherent moving-target indicator
commit size
common battery telephone set
compact surface
compensating netwook
conic bougie
crime of corruption and nonfeasance
cupola organ
data scanning
demarcating
designate
dewatering basket
differential back-washing
diplopy
dispatching sequence
dorsal digital veins
Drude law
dual constraints
dynamic process deletion
earn ... living
ec-
enplaned
escape factor
ethylurethan
excess pressure
extracanonical
fishiness
Fosferno
fritzcheite
gain selector
general council
general signal
grape-stone
Haemophilus haemolyticus
heat hemolytic test
helville (andoany)
hydroxyacetone 3-hydroxyan-thranilic acid
impurity quenching
inanitiated
india-rubber trees
instep kick
iPad Pro
Kanyada
KING (Kinetic Intense Neutron Generator)
knie
Lahilahi Point
length slow
lepaigite
Mahamit
mestranols
molting fluid
mud filter
multi-rib grinding
n-bit memory
narrow-band spectrum
national management association
near-lunar space
nongastrointestinal
ola
overshipped quantities
Padmanābhapuram
peffers
penturonic acid
pilottown
r-a
radicella
reliable probability
reunion of bone
santimi
selenium(iv) iodide
semiconductor heat conductiovity
sensitimeter
simple predicate
single re-entrant winding
Springview
subgingival
timber beetle
tipula microcellula
transformation directive
transition location
Trl
tuff loam
unevidence
use tax on automobiles
zinc cement