同位素测定法

1993年 翻译延伸 1、The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind; it is simply the mode by which all phenomena are reasoned about and given precise and exact explanations

发表于:2018-12-01 / 阅读(246) / 评论(0) 分类 09考研英语词汇

[00:09.98]北京奥运28大项 [00:30.84]参与,竞争,分享,进步 [00:48.19]Athletics 田径 [00:54.69]VERTICAL JUMPS 跳高 [01:00.71]An athlete may commence jumping/vaulting [01:03.86]at any height previously announced by the Chief Judge [01:07.38]and may jum

发表于:2018-12-05 / 阅读(335) / 评论(0) 分类 奥运28大项比赛

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-05 / 阅读(303) / 评论(0) 分类 商业服务英语

The English word foot has more than one meaning. In the United States, one meaning is a unit of measurement equal to 12 inches, or .3 meters. We use feet to measure height, length and short distances. Todays question is about when to use the plural o

发表于:2018-12-16 / 阅读(163) / 评论(0) 分类 2018年VOA慢速英语(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(一)月

Idiom: Night owl 夜猫子,深夜不睡的人 Hit the book: Supervolcano Deadliest Measure measurement take safety measure lava magma yellowstone eruption ash damage

发表于:2018-12-27 / 阅读(122) / 评论(0) 分类 趣味青春英语

EDUCATION REPORT - Students Face New Worry: Wrongly Scored College-Entry TestsBy Nancy Steinbach Broadcast: Thursday, March 30, 2006 I'm Steve Ember with the VOA Special English Education Report. Abou

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 2006年慢速英语(三)月

英语作文 Direction: For this part,you are allowed 30 minutes to write a composition about Examination in three paragraphs.You are given the first sentence of each paragraph and required to develop its idea in completing the paragraph.Writing about 3

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 英语作文

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(一)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(十二)月

1. Hawaii was hit hard early Sunday morning with a massive earthquake and several aftershocks. Preliminary measurement showed the quake at a magnitude of 6.5. A town on the west coast of the Big Islan

发表于:2019-01-08 / 阅读(226) / 评论(0) 分类 美联社新闻一分钟2006

BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob Doughty. Today, we will tell how technology could help doctors meet demand for transplant organs. We also will tell about a scientific effo

发表于:2019-01-12 / 阅读(226) / 评论(0) 分类 2010年VOA慢速英语(十)月

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2016年VOA慢速英语(三)月

A man of the state of Zheng wanted to buy a pair of shoes.He measured his feet and put the measurement on a chair.When he set out for the market he forgot to bring it along.It was after he had found the pair he wanted that this occurred to him.

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 趣味英语

A chef has created an off the scale chicken dish so spicy he claims it can cause facial paralysis. 一名厨师发明了一种超级辣的鸡肉菜肴,他宣称这道菜会让食客辣到面瘫。 图片1 Muhammad Karim, 34, has to wear a gas mask

发表于:2019-02-05 / 阅读(179) / 评论(0) 分类 英语新闻

In the state of Chu there was a man skilled in physiognomy.His comments were very accurate and his fame spread through the state.King Zhuang sent for him and asked him the secret of his success.Sire,said the man,I am not good at judging cha

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 趣味英语

船务术语汇总 BAF (Bunker Adjustment Factor) 燃油附加费 CAF (Currency Adjustment Factor) 货币贬值附加费 YAS (Yard Surcharges)码头附加费 EPS (Equipment Position Surcharges) 设备位置附加费 DDC (Destination

发表于:2019-02-11 / 阅读(143) / 评论(0) 分类 实用英语

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(135) / 评论(0) 分类 万物简史

Joining me now from Santa Barbara, California, to talk about Mr. Trump's first 14 weeks on the job is NewsHour Weekend special correspondent, Jeff Greenfield. Jeff, it's good to see you. So here we are, 100 days in. But you've said on this program an

发表于:2019-02-25 / 阅读(135) / 评论(0) 分类 PBS访谈社会系列
学英语单词
acoustic surface-wave correlators
active core-packet length
albinson
alcore
allayer
Ba-grease
barker phase codes
benign hematuria
berlinate
BGen
bitterbrush
bordano
cerium-base alloy
chiaused
class scope
clued-in
connecting line
Cordillera Central
countertorque
cucumber-mint
CVK
damage function method
disappearing
dissapointed
double cambered aerofoil
entrainment block
enzootic bronchiectasis
feeley
finnsko
Fixing-price
fluorescent optics
have expectations
havurot
hermetic integrating gyro
heroic meters
historic map
homalidelphus targionianus (mit.) oix et p. vard.
Hydroxy-mercurichlorophenol
important sentences
inchling
interelectrode
iproplatin
Kaiyan
kenozooecium
Kieselscheelite
language artistry
laputas
LIOCS (logical input/output control system)
liquid reagent
lubricating oil additive
macroscopic flux variation
madtsoiid
mandler
Marvão
master's theses
medium pressure hydrogenation unit
morcillas
Mtambo
mud-pellet conglo merate
multicamera filming
multitrack railways
n-phenylmorpholine
nearest neighbor pattern classification
non inductive resister
nonacidics
occupancy indication
over-pricing
pendulous gyro integrating accelerometer
pneumothermomassage
pot culture
publicising
quierozs
quinonoxime
recasting
regolith(mantle rock)
relative incidences
rhizosolenia bergonii
rise-time
S100A1
sawney
self-runs
sigillaria
Sipaliwini, Dist.
spare path
stoutish
stripe rust of cereals
talking typewriter
tdps
tellies
Tetavax
trucking industry
typhlopid
umbratic
undertipping
unignited
unreaped
vibrocast process
wages stabilization
waldemars
warn sb away
WCH-CH
with an eye to