凸轮鼓;凸轮盘;偏心开槽式圆筒

cam drum的用法和样例:

例句

  1. An analytic method of determining the basic dimensions of the oscillating disk cam mechanism under retangular coordinates is introduced.介绍了直角坐标下摆动从动件盘形凸轮机构基本尺寸确定的解析法。

By Gary Garriott Broadcast: August 11, 2003 This is Bill White with the VOA Special English Development Report. 1)Sawdust is what remains after trees and logs are cut up into boards for building house

发表于:2018-11-27 / 阅读(549) / 评论(0) 分类 VOA2003(下)-发展与科学

Lesson 3 Text A There Is Something Very Nice Inside Your Drum It was Jimmy's birthday, and he was five years old. He got quite a lot of nice birthday presents from his family, and one of them was a be

发表于:2018-11-27 / 阅读(435) / 评论(0) 分类 新概念英语青少版

Topping the Academy's list as Game of the Year, was the Sims from Electronic Art. The game, which has no violence or sex, lets computer users 1)manipulate little cyberpeople, almost like they're in a

发表于:2018-11-28 / 阅读(194) / 评论(0) 分类 疯狂英语2001年

Italian authorities have begun to clean out one of Europe's largest camps of Roma. The Roma are commonly known as Gypsies but they trace their origins to South Asia. Officials say living conditions in the Casilino 900 camp in Rome are disgraceful and

发表于:2018-12-16 / 阅读(115) / 评论(0) 分类 VOA标准英语2010年(一月)

Key Trial of Khmer Rouge Leaders Starts in Cambodia On Monday the United Nations-backed tribunal in Phnom Penh will open its hearing into the four surviving leaders of Cambodia's Khmer Rouge movement. Cambodians have waited three decades for this day

发表于:2018-12-16 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(六月)

Todd: So on your bike trip, how did you feed yourself. What did you eat? Julia: Hydration was a thing that we worried about. We were able to stop every few kilometres and get fresh young coconuts with the straw in the top. Did you remember doing that

发表于:2018-12-25 / 阅读(104) / 评论(0) 分类 原版英语对话1000个

Todd: What were the road conditions like that you were riding on? Julia: I'd say at least half, maybe more than half were unpaved roads. Thankfully Cambodia is very flat so it wasn't so difficult. We averaged about seventy, eighty kilometres a day bu

发表于:2018-12-25 / 阅读(97) / 评论(0) 分类 原版英语对话1000个

Todd: So what was the hardest thing about the trip? Julia: The hardest thing was seeing this country which is so beautiful with such amazing people but struggling in so many different ways with so many different things. You know, historically the leg

发表于:2018-12-25 / 阅读(91) / 评论(0) 分类 原版英语对话1000个

Todd: So Julia, I was looking at your website and I noticed that you did a bike trip in Cambodia. Julia: Yes, that's right. I joined an organization called Pepi and we did a ride from Siem Reap to Vietnam, Ho Chi Minh City. Todd: Wow, that's pretty c

发表于:2018-12-25 / 阅读(91) / 评论(0) 分类 原版英语对话1000个

DEVELOPMENT REPORT - Double-Drum Sawdust Stove By Gary Garriott Broadcast: Monday, September 27, 2004 This is Steve Ember with the VOA Special English Development Report. Sawdust is what remains after

发表于:2019-01-02 / 阅读(148) / 评论(0) 分类 农业与发展

Jim Malone The U.S. presidential election may be six and one-half months away, but the Kerry and Bush campaigns are already hitting the television airwaves with a barrage of advertisements normally re

发表于:2019-01-03 / 阅读(115) / 评论(0) 分类 VOA2004(上)--美国大选

Once in a forest there lived a jackal named Gomaya. He was too lazy to hunt for his food. He often chased away younger jackals who would catch a prey and eat it himself. All the other jackals were upset with him. They all got together and decided to

发表于:2019-01-08 / 阅读(288) / 评论(0) 分类 英语小短文

Okay okay He's got my number and You can't you can't Warn me baby here I am Either you make the time Or just forget me I'm not I'm not Tryna run your life That's why that's why I'm nobody's wife But when I want when I want it You gotta be ready I don

发表于:2019-01-10 / 阅读(144) / 评论(0) 分类 The Voice 美国好声音

By Joseph Mok Washington, DC 12 June 2006 watch Black Eagle report Black Eagle, a Native American drum group from Jemez, New Mexico, has successfully melded its unique native Towa language singing with powwow drumming. VOA's Joseph Mok reports on th

发表于:2019-01-11 / 阅读(169) / 评论(0) 分类 2006年VOA标准英语(六月)

The rainy season in Haiti begins shortly and the government is rushing to complete a new camp for those left homeless by the earthquake Sylva Louis has lived in the sprawling refugee camp of Champs de Mars in downtown Port au Prince, Haiti's capital,

发表于:2019-01-11 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(三月)

Also: A question from China about the Beijing Olympics. And ''The Story of Edgar Sawtelle,'' a book about dogs, family and a very smart boy. Transcript of radio broadcast: 17 July 2008 Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm B

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 VOA慢速英语2008年(七)月

Agriculture Report - Trying to Improve Food Safety With a Camera 农业报道 - 一种提高食品安全的扫描装置 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Europe's deadly outbreak of a

发表于:2019-01-12 / 阅读(113) / 评论(0) 分类 2011年VOA慢速英语(六)月

LOURDES GARCIA-NAVARRO, HOST: The plotline in CW's Jane The Virgin is just a little bit complicated. (SOUNDBITE OF TV SHOW, JANE THE VIRGIN) ANTHONY MENDEZ: (As narrator) All right, here we go. As you know, Jane was accidentally artificially insemina

发表于:2019-01-17 / 阅读(135) / 评论(0) 分类 2017年NPR美国国家公共电台4月

今天我们要学的词是scam。 Scam, 是骗局的意思。一个佛罗里达的女子因为假称怀了四胞胎,接受商家的免费财物而受到指控。The woman accused of the pregnancy scam was indicted on seven counts of theft, 这个涉

发表于:2019-02-03 / 阅读(97) / 评论(0) 分类 英语单词荟萃

Detainees at Australia's controversial offshore immigration center on Christmas Island are now being housed in tents after a flood of new arrivals overwhelmed the facility's capacity. More than 50 boatloads of suspected asylum seekers have now been i

发表于:2019-02-07 / 阅读(187) / 评论(0) 分类 VOA标准英语2009年(十二月)
学英语单词
-anus
a fool of circumstances
alkanium ion
aquae vitae
artificial earthing
attention mobility
aureobasidins
autonomic neuropathy
Azuara
barnegat b.
be identified
BICNU
bill exchanger
botswanans
Boyden meal
burdne of proof
Carlington
china-based
choledocho-choledochostomy
circinotrichum maculiforme
closely spaced
coast guard boat
color-apparent magnitude diagram
comparative earning standard
continuous start-stop operation
controlled current coulometry
cotabulate
dashedly
day-trade
Decoicacid
dentate-sinuate
diluted mcrcurial Ointment
diode fuses
Djoubale
Dom Pedro
Dormonal
double coco(a)nut
estimated complete date
Eumvcetin
fairing
Feuquières
floor sweeper
governmental accounting
hauling in
helvaci
hood side under panel
immuno-staining
interlobitis
internal wiring diagram
IOCA
Jānkmajtis
labyrinth bearing
light colonel
linctus
many-worlds interpretation
mean roll angle
multiple device file
Muong Sai
myrica adenophora hance
namedropped
nesting level
nichrome wirw
nuclotidyltransferase
obtain an order for enforcement
outdraws
percutaneous transhepatic cholangioscopy
philosophical anarchism
photoautotroph
plasmons
plowmpe
price label
problem of m-rankings
pseudoscorpionidas
repockets
rhyolite porphyry
right inverse matrix
Rosny
rotatory-inversion axis
Santiz
Sauropus androgynus
screwdriver with wooden handle
scrone
seawater temperature
secondary embryocord
sod harvester
stasibasiphobia
successional portion
super-confident
supergingivalis
switch point housing
take a toll
tayeh series
Theraphosidae
thermodynamic cycle
thermogravimetric analysis (tga)
transfer agency
trial load operation
trigger discriminator
truth commission
vane efficiency
vanilloyl
vertical visibility map