尼而型质谱计

A: Whoa, I never saw a meter like this before; how do you use it? B: It's simple, once you do it a few times. Do you know how the old one worked? A: I never used a parking meter before. B: So we start out by deciding whether you will use cash or a cr

发表于:2018-11-30 / 阅读(213) / 评论(0) 分类 英语情景对话-大学生活

A: Excuse me, could you help me figure out how to use this new parking meter? B: Sure, it was confusing for me also. Have you ever used a regular meter? A: Yes, I understood the old one. B: Well, on this one you can use coins or a debit or credit car

发表于:2018-11-30 / 阅读(250) / 评论(0) 分类 英语情景对话-大学生活

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(118) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Idled Atom-Smasher Yielding Data Months After Shutdown The Tevatron Accelerator at the U.S. government's Fermi National Laboratory in suburban Chicago once led the world in studying what happens when subatomic particles are thrown together at nearly

发表于:2018-12-16 / 阅读(135) / 评论(0) 分类 VOA标准英语2011年(十二月)

Stand Clear Of The Doors: TV Finally Gets On Board With Mass Transit play pause stop mute unmute max volume 00:0003:47repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your F

发表于:2018-12-17 / 阅读(126) / 评论(0) 分类 2016年NPR美国国家公共电台12月

Dealing with a Mass Transit Strike Marge: Where have you been? You should have been home over two hours ago! Homer: Ive been trying to get home. Havent you been watching the news? The transportation workers union has voted to strike. There was a mass

发表于:2018-12-27 / 阅读(142) / 评论(0) 分类 2014年ESL之旅行交通购物

A gunman in Texas shot and killed 26 people in a church in the small community of Southerland Springs, Texas on Sunday. At least 20 people were injured in the shooting. Victims included children and the elderly. The suspected gunman is also dead. The

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Mass School Shootings Mostly in Small US Towns In the United States, mass school shootings are most likely to happen in small towns and suburban areas. One example is the shooting last week at a high school in Santa Fe, Texas. Ten people died in the

发表于:2019-01-03 / 阅读(185) / 评论(0) 分类 2018年VOA慢速英语(五)月

By Dan Robinson Capitol Hill 20 September 2006 A United Nations official who recently called for NATO forces in Afghanistan to help combat the sharply expanding opium trade says the country is becoming increasingly unstable. VOA's Dan Robinson repor

发表于:2019-01-12 / 阅读(222) / 评论(0) 分类 2006年VOA标准英语(九月)

By Carolyn Weaver Washington, DC 30 August 2006 watch Peacekeeper report Peacekeepers stand guard The U.N. Security Council resolution on ending the month-long war between Israel and Hezbollah called for adding up to 13,000 troops to the 2,000 membe

发表于:2019-01-13 / 阅读(233) / 评论(0) 分类 2006年VOA标准英语(八月)

By Nick Wadhams Nairobi 11 January 2008 Kenya's political opposition says mediation efforts with the government over Kenya's flawed December elections have collapsed and the opposition is now calling for mass rallies across the country next week. Nic

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 VOA标准英语2008年(一月)

DAVID GREENE, HOST: We now know that the man who killed 26 people in a tiny Texas church on Sunday had been court-martialed and discharged from the Air Force for assaulting his wife and child. And authorities say that Devin Patrick Kelley sent threat

发表于:2019-01-16 / 阅读(147) / 评论(0) 分类 2017年NPR美国国家公共电台11月

MICHEL MARTIN, HOST: In Thousand Oaks, Calif., Wednesday, 12 people were killed in a Western-themed bar before the shooter is believed to have turned the gun on himself. It has become an all-too-common scene. According to Gun Violence Archive, an ind

发表于:2019-01-17 / 阅读(134) / 评论(0) 分类 2018年NPR美国国家公共电台11月

By Gilbert da Costa Abuja 11 September 2006 Federal workers in Nigerian are bracing themselves for mass layoffs following a weekend announcement that some 15,000 workers are to be let go this month. Union officials are reacting angrily to the plan a

发表于:2019-01-31 / 阅读(239) / 评论(0) 分类 2006年VOA标准英语(九月)

By Barbara Schoetzau New York 20 April 2008 Pope Benedict XVI ended his six-day visit to the United States with a jubilant mass at the 57,000-seat Yankee Stadium. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the leader of the w

发表于:2019-01-31 / 阅读(159) / 评论(0) 分类 VOA常速英语2008年(四月)

China opposes proliferation of weapons of mass destruction: FM spokesman BEIJING, Nov. 14 (Xinhua) -- China opposes the proliferation of weapons of mass destruction and their means of delivery, Foreign Ministry spokesman Hong Lei reiterated at a regu

发表于:2019-02-03 / 阅读(169) / 评论(0) 分类 英语新闻

THE HAGUE, Feb. 19 (Xinhua) -- Roger Federer grabbed his second title at the ABN AMRO World Tennis Tournament in Rotterdam after beating Juan Martin Del Potro 6-1, 6-4 in the final on Sunday in Rotterdam. The match was a replay of the 2009 US Open fi

发表于:2019-02-05 / 阅读(170) / 评论(0) 分类 英语新闻

By Jim Malone Washington 18 April 2007 Authorities in Virginia are slowly gathering and revealing information about Cho Seung Hui, the university student who police say was responsible for the worst mass-shooting spree in U.S. history. VOA National c

发表于:2019-02-05 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(四月)

The Worrler of Qi A man of the state of Qi was afraid that the sky would fall down and the earth would cave in.The thought that he would not be able to find shelter when that happened worried him so much that he had no appetite for food and slept v

发表于:2019-02-07 / 阅读(211) / 评论(0) 分类 趣味英语

A mass rally and parade has been held in DPRK's capital a day after the Worker's Party wrapped up its first congress in 36 years. Hundreds of thousands of people were seen marching through the main ceremonial square. Participants in Pyongyang practic

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
abode at
acceptance of the mass filter
actual order
air search radars
anastomosis of blood vessel
audio frequencies
automatic line spacing
biological chemical treatment
biomedical acoustics
bird swing
bottom slide cam press
bowlsby
broken sea
butt-weld in the downhand position
carbassus
chromium firebrick
circumcizing
citochol test
colloid thruster
convolutions of cerebrum
cryochemical method
curvature ametropia
cynancum
dejecta
dial reading
disguisest
distributed wave function
electric center
epiplo-ectomy
extender provider
fencing stick
field-effect device
fire-resistive construction
fittes
gel-spun
genus lycaeons
get into disrepair
grey mold
hentriacontanoic acid
heterallelic
high temperature indicator
homomonument
in situ neutron activation
incombering
internal switch
Ipomoea alba
josceline
justo
knock ... up
krystals
L. & M.
Leonis
Lester Prairie
limpwristed
lipid electrophoresis
liquorice olive
magnetohydrodynamic simulation
memetic
mercury-containing
minimum damage standard
monoradical
mulders
Myrdal, (Karl ) Gunnar
nana haircut
one-shot game
outside diameter of ball and cage thrust assembly
ovotestis
packing spring seat
parazoogenetes orcula
pedigree judging
pinetop-lakeside
planetary milling
postarteriole
qualitative vision
radiocounting
REDV
reference satellite
reflective light
rim
romaleids
romano-ward
salientias
Samsam
satureias
Serra San Bruno
slide valve pump
slow-wavest
sottedly
Speke, John Hanning
stainless-steel pump
starting length
steam cylinder head
strontium thiocarbonate
subsidiary road
SYSLIB (system library)
Tetrahydrophenobarbital
tetum
to jack
touchmark
trencavel
uranium nitrides
worth tax