相对于质心之运动

New Camera Records Invisible Motion The world is in never-ending motion, even when objects seem to be perfectly still. Researchers at the Massachusetts Institute of Technology use a special camera that shows these seemingly invisible movements. Many

发表于:2018-12-16 / 阅读(78) / 评论(0) 分类 2015年VOA慢速英语(二)月

Experiencing Motion Sickness Ashley: You dont look so good. Whats wrong? Terrell: I felt motion sickness watching that movie. The camera jerked around and it made me dizzy. Ashley: It didnt bother me. The hand-held camera used to film the movie had t

发表于:2018-12-27 / 阅读(143) / 评论(0) 分类 2013年ESL之就医和人际交往

The explanation he gives seems to entail a set of conditions that everybody knows: Now, Maury says, if bits of cork or chaff, or any floating substance, be put into a basin, and a circular motion be given to the water, all the light substances will b

发表于:2018-12-31 / 阅读(49) / 评论(0) 分类 《海底两万里》中英双语有声读物

Ashley: You dont look so good. Whats wrong? Terrell: I felt motion sickness watching that movie. The camera jerked around and it made me dizzy. Ashley: It didnt bother me. The hand-held camera used to film the movie had that effect on you? Terrell: I

发表于:2019-01-01 / 阅读(95) / 评论(0) 分类 地道美语播客

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(108) / 评论(0) 分类 2018年VOA慢速英语(五)月

Researchers: Many Black Holes in Center of Milky Way Galaxy Astronomers say the center of our galaxy has plenty of strange, super gravity objects. For years, scientists believed that circling the center of galaxies, including our own Milky Way galaxy

发表于:2019-01-03 / 阅读(61) / 评论(0) 分类 2018年VOA慢速英语(四)月

New Studio Yields Most Detailed Motion Capture in 3D Sports coaches often use video cameras to analyze athletes movements in order to improve their performance. A new multi-camera studio developed at Carnegie Mellon University promises to bring video

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2015年(五月)

This is Scientific American's 60-second science. I'm Carrie Haphgn. Just take a minute. It's tough to have a job with the bosses always riding you. That's literally the case with horse. Now a study finds that the stress experience by the acquire s co

发表于:2019-01-20 / 阅读(73) / 评论(0) 分类 Scientific American(五)月

Each tag is whipping around the center of the galaxy, the particular, the most striking thing you will notice is the motion of SO2.So SO2 goes on an incredible roller-coaster ride. It comes whipping around and then back out. Something with tremendous

发表于:2019-01-22 / 阅读(62) / 评论(0) 分类 自然百科2011年

Topics: McJobs; Roberts Rules of Order; in for a dime, in for a dollar; a police officers beat, could versus would, center versus centre Words: McJob low-prestige advancement dead end to be regulated service industry turnover to polish McMansion coun

发表于:2019-01-22 / 阅读(73) / 评论(0) 分类 美语听力 English Cafe

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

63 火星的神秘运动 DATE=6-27-01 TITLE=SCIENCE REPORT - The Motion of Mars BYLINE=Mario Ritter (Start at 59

发表于:2019-01-30 / 阅读(98) / 评论(0) 分类 科技之光

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(99) / 评论(0) 分类 VOA常速英语2008年(四月)

Artist: Foreverinmotion Song: Magic This is how it feels being alive. Knowing that one day, you will die. And this is how it feels falling in love. And this is what that feels like coming undone. You'll never know How beautiful You are. This is what

发表于:2019-02-01 / 阅读(144) / 评论(0) 分类 音乐咖啡厅

no-motion 升职却不涨薪水或福利 no-motion这个词的意思是A promotion without a raise or bonus,就是升职了却不涨薪水或福利,就好像没升一样。 例句: My boss gave me a no-motion as I was promoted to VP but still r

发表于:2019-02-06 / 阅读(113) / 评论(0) 分类 美国俚语

LOS ANGELES, Jan. 13 (Xinhua) -- Argo director Ben Affleck has won the Golden Globe for best director in a motion picture at the 70th annual Golden Globes Awards ceremony which is taking place at the Beverly Hilton in Hollywood, California Sunday nig

发表于:2019-02-08 / 阅读(109) / 评论(0) 分类 英语新闻

Theres a simple way to figure out where the center of mass is. If the big kid is two times as heavy as the little kid, then their mutual center of mass will be two times closer to the big kid than to the little kid. Three times heavier and the center

发表于:2019-02-23 / 阅读(93) / 评论(0) 分类 英语时差8,16

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-02-23 / 阅读(89) / 评论(0) 分类 英语时差8,16

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-02-24 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest

Hollywood's Academy of Motion Pictures Arts and Sciences has apologized to Asians for a racially insensitive skit during last month's Oscar show. It also added three new governors to its 51-member board and appointed six minority members to other lea

发表于:2019-03-12 / 阅读(164) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
acid resisting enamel
adelies
amiras
antithermic shield
au-pair
bacterial coenzyme
be back in business
biological parameter
blue butterfly
bn.
budget-settings
buy oneself into
cable-laid rope
ceramically
Chincheros
Chkey
cider mills
cladding plate
cold can
congruity principle
control rod pattern
coupled amplifier transformer
depending upon
diesel fuel grades
Dintrobenzene
disagreeably
distributed object management facility
division of function
domestic lending
draba mongolica turcz.
drumheads
error of closure
euglenophyceaes
filmlike
frame work method
fuel dispensing pump assembly
gestalt principle of organizations
give someone a jump
ground water zone
hagels-berg (hagelberg)
helix parameter
hyperboly
interosseous muscles
isospin analog state
issue a summon
jawann
Kalāteh-ye Mazīnān
latrelle
legal abatement
lelcs
load beam rack
Lusaka Prov.
moderately fine texture
monthly series
Monzernheim
nienaber
nitazoxanide
no-flier
Order Of The Coif
ordinary credit
over-dreve
oxyphenarsene
pecopteriss
phenylic acid
photoelectron image
pot-valiant
precatorious
premium loan
present times
pump inlet strainer
punched-out
purulent sinusitis
quisqualate
qurayyat (quryat)
reciprocity effects
resimulating
RV Tau star
saddle back
self-generateds
seroconverting
service durability
SICD
smith forging furnace
snuffbox
sought-after
spherical linkage
stadia wave gauge
stain
steady head
steady hydraulic jump
Stemona mairei
supraalar groove
taper charge vibrator
teach ... grandmother to suck eggs
torsional stiffening
transitory variation
Ufrix
uncorrected proof
unpuzzle
valve tappet adjustment
wood properties
zirconic acid