多通带滤波器

1) need表示需要,主要用于否定句和疑问句。用于疑问句,肯定回答用must,否定回答用needn't。have to表示他人或客观情况要求必须,也可以翻译为不得不,have to否定形式意思是不一定或没有必要

发表于:2018-12-01 / 阅读(152) / 评论(0) 分类 新东方CET6阅读

[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(236) / 评论(0) 分类 掌握英语发音

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(160) / 评论(0) 分类 2016年VOA慢速英语(七)月

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(164) / 评论(0) 分类 365个英语简短小故事

He took the state teachers exam. It was pass or fail. A passing score meant he could apply for a teaching job. A passing score was 220 to 300. The state emailed his score to him. His multiple choice test score was 260. His writing test score was 300!

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 原版英语小短文

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(154) / 评论(0) 分类 2018年VOA慢速英语(一)月

Cassegrain Antenna - An antenna that places a subreflector at the focal point to reflect energy to or from a feed located at the apex of the main reflector. CB - This stands for Citizen's Band and is

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 电信英语

中文 英文 缩写 搭接业务/代答业务/截接业务(PBX) pick-up service 达林顿放大器 Darlington amplifier 打包带 strap 大功率/高功率的 high power 大规模集成电路 Lar

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 电信英语

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 CNN2010年(五)月

British scientists have found a drug used to fight leukemia that appears to stop multiple sclerosis in its early stages and restore lost function to patients. Although still in the clinical trial phase, it is being called by some, the most promising

发表于:2019-01-13 / 阅读(166) / 评论(0) 分类 VOA标准英语2008年(十月)

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(138) / 评论(0) 分类 英语情景对话-健康

吸烟有害健康(Smoking is hazardous to health。)。 常用表达: Have a smoke? 抽烟吗? Help yourself to a cigarette. 请抽烟。 Would you like a cigarette? 想抽支烟吗? Won't you have a smoke? 不想抽支烟吗? Please have a

发表于:2019-01-16 / 阅读(128) / 评论(0) 分类 实用英语

[0:0]feedback female fertile fertilizer反馈,反馈信息 雌的,女性的 肥沃的,富饶的 肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日 纤维 小说 凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件 过滤器,过滤咀 最后,终于 财政,金融 [3:1.05

发表于:2019-01-16 / 阅读(190) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

日本富士通实验室的研究人员开发了一种无线充电系统,可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电,无需使用电缆。该系统最早可于2012年正式推出使用。该系统被

发表于:2019-01-19 / 阅读(235) / 评论(0) 分类 阅读空间

By Anjana Pasricha New Delhi 28 April 2008 India has launched a record number of satellites into space in a single mission. The launch marks a milestone for the country's space program. Anjana Pasricha reports from New Delhi, India wants to emerge as

发表于:2019-01-31 / 阅读(179) / 评论(0) 分类 VOA常速英语2008年(四月)

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(199) / 评论(0) 分类 2007年VOA标准英语(五月)

Just as a clam came out to bask in the sun a snipe pecked at its flesh.The clam closed its shell and squeezed the snipe's beak.If it does not rain today and it does not rain tomorrow,you will be a dead clam,said the snipe.If you cannot free

发表于:2019-02-05 / 阅读(200) / 评论(0) 分类 趣味英语

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

发表于:2019-02-06 / 阅读(180) / 评论(0) 分类 实用英语

Here comes the band! Shall we call mamma and Fanny to see it? 乐队要过来了。我们能叫妈妈和范妮去看吗? Let us stand still, and hear the men play as they pass. 当他们经过时,让我们站着不动,听他们演奏。 I hope

发表于:2019-02-11 / 阅读(143) / 评论(0) 分类 美国语文第一册

Good-bye my Fancy! Farewell dear mate,dear love! I'm going away,I know not where, Or to what fortune, or whether I may ever see you again, So Good-bye my Fancy. Now for my last-let me look back a moment; The slower fainter ticking of the clock is in

发表于:2019-02-26 / 阅读(287) / 评论(0) 分类 阅读空间
学英语单词
active card
afro-puerto
AIB
aminomutase
angelica oil
as I as I am alive
automatic black level (abl)
Avlonari
bagpiping
Berlekamp algorithm
beta globulin lysin
black spot
bottle kiln
brighten up
bundle feed
bus enumerator
cake sizing
chill zone without mottle
chisel for warm metal
clewed
congenital absence of ulna
control resolution
cooling card
crankum
current affairs broadcast
cyclodes omma
damascena
decible chart
declive, declivent
dermatophyte test medium
distribution equation
district telephone
Droichead Nua
dust-bathe
Epherit
exoticize
first sintering
first-chair
gallery bridge
general system
Harry Styles
have no alternative but to
hovering out of ground effect
international person
Kanaga Volcano
keep consort
lackys
Lapai
Le-Le
legal aid society
Lucortenum
magnetarium
marginal hook
meat scrap or trimming
Melnick method
microwave emission detector
mudflap girl
murrayanine
mutafchiev
Namaripi, Tg.
natalus stramineus
newhouser
nonconformable
not know a B from a battledore
NOW, the
oil emulsion composition
on that occasion
optical character recognition-b
ore-cum-oil carrier
osteocampsis
peakists
person in coma
picards
piepan
pirinixic acid
polyether diols
psammona
recatalogued
reincarnationisms
respiration anesthesia
risner
running curve
running order
sapienization
saprotrophically
sbrinz
screwing something up
separators
sewer branch
sniffer aircraft
sour grass
stream community
sweep wood
thread die
timber crib dam
torroes
trail one's coattails
trinia
tubuli renales
undisclosing
vesiculoviral
xerophthalmic