[网络] 连续时间;离散时间;连续时间信号

[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(358) / 评论(0) 分类 掌握英语发音

An Introduction to Verb Tenses 英语日常语法:动词时态 For VOA Learning English, this is Everyday Grammar. Today we are going to give you a basic overview of the verb tense system in English. Verb tenses tell us how an action relates to the f

发表于:2018-12-16 / 阅读(154) / 评论(0) 分类 2016年VOA慢速英语(一)月

现在完成进行时(The Present Perfect Continuous Tense)表示由过去某时持续到现在的动作,由have(has)been+现在分词构成: It has been raining for three hours. 一连下了三个钟头的雨。 She has been working the whole mo

发表于:2018-12-18 / 阅读(216) / 评论(0) 分类 英文语法词汇

过去完成进行时(The Past Perfect Continuous Tense):表示过去某时前一直在进行的动作,由had been+现在分词构成: I asked him what he had been doing. 我问他一盲在干什么。 He had been working all day and was very

发表于:2018-12-18 / 阅读(209) / 评论(0) 分类 英文语法词汇

本单元是关于面试的对话 Interviewer: How long have you been working at McCarthy's? Tim: For the last 3 years. Interviewer:And have you always worked in retail? Tim: Yes I have. In fact ever since I was young I've been interested in commerce. My firs

发表于:2018-12-26 / 阅读(163) / 评论(0) 分类 公寓伙伴

[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ

发表于:2018-12-26 / 阅读(247) / 评论(0) 分类 美国英语听力80篇

just在英语中是一个重要的词语,其使用方法也是多种多样的。Just可以用作一个时间表达,用来在一些固定表达中表示某事十分重要,对词语进行强调,并作为only的同义词。本指南可以帮助你

发表于:2019-01-03 / 阅读(215) / 评论(0) 分类 英文语法词汇

[ti:UNIT 2 On the Train Lesson 16] [0:00.641]Unit 2 [0:03.070]On the Train [0:05.053]Lesson 16 [0:07.484]Unit Review [0:09.731]Ⅰ. [0:11.044]Building Your Vocabulary [0:14.048]A. [0:14.982]Fill in the blank with the proper word. [0:17.959]The first

发表于:2019-01-09 / 阅读(319) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Sooner or later youre gonna be mine, Sooner or later youre gonna be fine. Baby, its time that you face it, I always get my man. Sooner or later youre gonna decide, Sooner or later theres nowhere to hide. Baby, its time, so why waste it in chatter? Le

发表于:2019-01-10 / 阅读(263) / 评论(0) 分类 奥斯卡最佳英文歌曲

Chapter 1 - The method of history Absolute continuity of motion is not comprehensible to the human mind. Laws of motion of any kind become comprehensible to man only when he examines arbitrarily selected elements of that motion; but at the same time,

发表于:2019-01-18 / 阅读(157) / 评论(0) 分类 有声英语文学名著

They published the data, 他们发布了这些数据, and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。

发表于:2019-01-18 / 阅读(268) / 评论(0) 分类 TED演讲娱乐篇

> 28 世界卫生组织关于噪音污染的报道 DATE=3-29-01 TITLE=SCIENCE REPORT - WHO Report on Noise BYLINE=Caty Weaver Start at 59

发表于:2019-01-30 / 阅读(206) / 评论(0) 分类 科技之光

My first thought when I heard about the shooting of Alton Sterling last Tuesday was: OK, here we are again. 上周二,当我听说Alton Sterling枪击案时,我的第一反应是:好吧,又发生了! Then after reading about the killing of

发表于:2019-02-05 / 阅读(182) / 评论(0) 分类 英语新闻

Key Sentences(重点句子) 146.The connection was bad. 通话情况很糟。 147.There was a lot of echo and I couldn't hear well. 回音太多,我听不清楚。 148.I'll connect you agian. 我再为您接通一次。 149.I've just

发表于:2019-02-07 / 阅读(214) / 评论(0) 分类 实用英语

The chains of habit are generally too small to be felt until they are too strong to be broken. - Samuel Johnson Editors note: This is a guest post from Mary Jaksch of Goodlife Zen. Have you ever had problems establishing a new habit? Maybe I should a

发表于:2019-02-14 / 阅读(278) / 评论(0) 分类 阅读空间

Have you ever thought why there are very few great people? I think there is probably only one great person out of 10,000 at best, and most probably much less than that. But why? Most people want to be great, right? Why are there only very few of them

发表于:2019-02-17 / 阅读(288) / 评论(0) 分类 英语美文

Have you ever thought why there are very few great people? I think there is probably only one great person out of 10,000 at best, and most probably much less than that. But why? Most people want to be great, right? Why are there only very few of them

发表于:2019-02-18 / 阅读(224) / 评论(0) 分类 英语美文

Much of New Zealand experienced some severe weather yesterday and today. Snow storms moved up from Southland, reaching Dunedin and Christchurch later yesterday. Snow continued to fall all night. Christchurch people woke up to a winter wonderland abou

发表于:2019-02-25 / 阅读(226) / 评论(0) 分类 新西兰英语

下面给大家提供一篇关于生活中噪音的影响的托福阅读背景材料,希望能拓宽同学们的阅读面。 I'm grad to see so many of you here. We'vebecome really alarmed over the health center by thenumber of students we are seei

发表于:2019-03-02 / 阅读(300) / 评论(0) 分类 托福英语

Key Sentences(重点句子) 146.The connection was bad. 通话情况很糟。 147.There was a lot of echo and I couldn't hear well. 回音太多,我听不清楚。 148.I'll connect you agian. 我再为您接通一次。 149.I've just

发表于:2019-03-11 / 阅读(340) / 评论(0) 分类 实用英语
学英语单词
acrodermatosis
amabile
ampoule filler
anthracyclin
any number of things
APACS
armature return spring
arsenometry
basal cell melanoma
basally
basic move
be on one's game
bellman-harris process
blanchette
bolt of
borgens
by tube
camaile
carburizable
Cardamine multijuga
cascadable
cell envelope
cellular multi-list file
chou-shan
churchwardenship
cinnamyl
Coastal Eastern
coining value of an ounce of gold or silver
corollated
Cremomethazine
Dietramszell
diffuse wave
dital
dry fruits
Durango cotton
eclipse duration
encrypted message
endurer
euler column formula
excess collateral
exponential fitting
fallouja
falls from grace
Francesca, Pierodella
fresne's equations
full-duplex
gear tooth vernier callipers
goalframes
granular mass
horizontal elevator
hypermedia document
industrial humanism
informational committee
instantaneous maximum current of feeding section
jarked
jet-lag
kanungu
Krasnorechenskiy
lip-syncing
loud-mouthed
Malgaigne hernia
master jaw
menchus
monoseme
mycosphaerella thujopsidis sawada
N-Oxysophocarpine
napili
narcissistic personality inventory (npi)
non-rotating earth
on sb.'s hands
otherward
overwearies
Philip Sidney
Pinos, Island
prefix translation
radioactive recoil
rature
reendothelialized
referred value
roach stomper
rosa odorata var.ochroleuca rehd.
s.l.a
single canvas binder
Slippery Rock
slow running control
source program modification
stage contactor
Tabilin
technical examination
tomen
triple somersault
uncoating enzyme
uncommittedly
unglamorousness
unknowables
vat pasteurization
vertical weld(ing)
Waldheimia huegelii
white livered
windloadings
wine cask
wire matrix