多级谐波齿轮传动

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(五)月

I used to drive a stick shift, but as I get older, I like my automatic transmission more and more. 我过去常常开手动挡的车,但当我年龄大了以后,我则越来越喜欢开自动挡的车。 There are two kinds of transmissions two k

发表于:2018-12-28 / 阅读(148) / 评论(0) 分类 ESL杰夫的一天

I back out into the driveway onto the street, or into the street. 我把汽车从车道倒到大街上。 The driveway, driveway, is what connects the garage to the street. 车道(driveway)是连接车库和街道的道路。 It's the space that

发表于:2018-12-28 / 阅读(190) / 评论(0) 分类 ESL杰夫的一天

今天我们要学的词组是set the stage。 Set the stage的意思是为某件事做好准备,提供条件。比如,希拉里.克林顿06年再次当选参议员,为她08年竞选总统提供了条件 -- The reelection set stage for her pres

发表于:2018-12-30 / 阅读(199) / 评论(0) 分类 英语每日一词

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(177) / 评论(0) 分类 60秒科学

By Mary Morningstar Washington 25 July 2007 Country legend George Jones once wrote a letter to Brad Paisley that said, I am counting on you to carry on the tradition and make folks sit up and listen to what good Country music should sound like. As VO

发表于:2019-01-07 / 阅读(219) / 评论(0) 分类 2007年VOA标准英语(七月)

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(223) / 评论(0) 分类 CNN2010年(五)月

CAIRO, Dec. 15 (Xinhua) -- The first stage of the referendum of Egypt's draft constitution ended Saturday night at 11:00 p.m. local time (2100 GMT). Due to the high turnout, the closing time of the referendum was extended from 7:00 p.m. local time (1

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 英语新闻

Are You Ready to Face the Music? Now, the VOA Learning English program Words and Their Stories. There are so many expressions in American English that sound pleasant but are not. Face the music is a good example. When someone says they have to face t

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2016年VOA慢速英语(五)月

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(259) / 评论(0) 分类 阅读空间

first gear 一档second gear 二档reverse 倒车档two-stroke engine 二冲程发动机diesel 柴油机limousine 豪华轿车drophead 活动车篷汽车(美作:convertible)racing car 赛车roads

发表于:2019-01-30 / 阅读(163) / 评论(0) 分类 英文语法词汇

Details about Samsung's next big smartwatch have been trickling out for weeks. But now a new report gives us the most detailed look yet Samsung's next wearable. 关于三星下一代智能手表的细节已流传数周。但现下有一份新报告向我

发表于:2019-02-01 / 阅读(201) / 评论(0) 分类 阅读空间

今天我们要学的词是gear up。 Gear up, 做好准备。The police are gearing up for a crackdown on drunk driving, 警察正在积极准备采取行动,严厉打击酒后驾车。九月一到,学校就要开学了。Schools all over the co

发表于:2019-02-05 / 阅读(174) / 评论(0) 分类 英语每日一词

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 VOA标准英语2010年(六)月

first gear 一档 second gear 二档 reverse 倒车档 two-stroke engine 二冲程发动机 diesel 柴油机 limousine 豪华轿车 drophead 活动车篷汽车 (美作:convertible) racing car 赛车 saloon 轿车 (美作:sedan) roadster 敞蓬车 wecker, beat-up car, jalopy 老爷车 notch

发表于:2019-02-07 / 阅读(235) / 评论(0) 分类 英文语法词汇

MADRID, Aug. 27 (Xinhua) -- Joaquin Rodriguez won his second stage of this season's Vuelta de Espana (Tour of Spain) cycle race, which finished in the town of el Escorial on Saturday. Rodriguez was the strongest finisher on the steep ramp at the end

发表于:2019-02-08 / 阅读(185) / 评论(0) 分类 英语新闻

The sixth FIFA Women's World Cup kicks off in Germany in June, with the team from the host nation as the two-time defending champion. The United States women's soccer team won the gold medal at the 2008 Beijing Olympics and is ranked number-one in th

发表于:2019-02-08 / 阅读(204) / 评论(0) 分类 英语新闻

GENEVA, Oct. 19 (Xinhua) -- The WTO Director-General Pascal Lamy told the Trade Negotiations(谈判,磋商) Committee on Tuesday that the foremost challenge over the next several weeks is to take the engagement on Doha negotiations to a higher ge

发表于:2019-02-08 / 阅读(207) / 评论(0) 分类 英语新闻

The biggest thrill at the Mobile World Congress is a white-knuckle roller coaster ride. At the Samsung booth, people are lining up all day to take a virtual ride. Well, it was an amazing experience. I really enjoyed it. It is like being there, it is

发表于:2019-02-21 / 阅读(158) / 评论(0) 分类 2016CRI中国国际广播电台

Get your BUTT in gear!!!! 我们今天一起来看看怎么用美语口语说开始做某件事! Get on that! 开始做某件事 2) Get going on that! 开始做某件事 3) Get your butt in gear! 开始做某件事!

发表于:2019-03-02 / 阅读(224) / 评论(0) 分类 OMG美语
学英语单词
acetyl dichlorohydrin
administrative culture
aggregateing clause
ahuh
Ajok
amesite
arthroaleurium
avian encephalomalacia
behind time
beliveau
black market transaction
cab singaling equipment
cacothesis
cathodophospho-rescence
channel resistor
code reuse
coinbox
coke cleaning
complex production
condenser polyethylene
conjugate division
cosine generator
cupric selenite
dedicated hosting
defiber
denial measures
digitalization of flow picture
electrostatic acoustical instrument
equitangential curve
Erigeron lonchophyllus
ethyl methanesulfonate
field-free
file properties
finger spinners
forgotten man
forsterite-fayalite series
furnace charging gear
genus Spirillum
goochie
gutterman
gymnocysts
high doping effect
inenubilable
inhurled
interface scattering
intermediate well
International Maritime Dangerous Goods Code
journey cake
Klein Roggeveldberge
large-area
last-subscriber release
leading staff
macromedaeus distinguendus
macroscopic flux variation
magnetized region
merchanter
mixoscopias
molecular modification
moon probe
myonecrosin
obique axis mount
oligomictic sediment
Oshigambo
overambitious
Pamela Harriman
pelvisection
per mil symbol
pollution control bond
poor copy
port-aiguille
pronunciation and intonation
pSG-TR
quaresimal
querner
ramoconidium
reconsidering
reference-number
revert reverse voltage
rip something up
roasting meat
run true to form
Salix jingdongensis
Salmonelleae
sazhis
schwarzenberger
scirrhosity
screen grading
seafloor coring
single beater scutcher with automatic lap end
stecca
sturine
superficial x-ray therapy
Tajik
talewort
three speed motor
tip effects
traffic estimating
universal diagnostic x-ray apparatus
unworthies
Westphal's pupillary reflex
white-burning
yucca baccatas