均方根百分误差

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(133) / 评论(0) 分类 英语情景对话-大学生活

This is the VOA Special English Agriculture Report. A new study says almost forty percent of China is losing soil because of wind and water erosion. The Chinese government recently announced the results of a three-year study. The study was the large

发表于:2018-12-01 / 阅读(124) / 评论(0) 分类 VOA慢速英语2008年(十二)月

The State Forestry Administration has released new analysis, showing that as of the end of 2014, desertification has declined in China by just over 12-thousand square kilometers. However, there is still some 2.6-million square kilometers of desert st

发表于:2018-12-02 / 阅读(58) / 评论(0) 分类 2015CRI中国国际广播电台

美语训练班125 B: Welcome to American English Mosaic, I'm Mike Bond! A: And I'm Lin Yang. B: Need to know how to negotiate for a business loan? We will offer you some tips in today's business etiquette. A: 完美主义会对你的生活产生什么

发表于:2018-12-02 / 阅读(54) / 评论(0) 分类 美语训练班

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error The Egyptian military admitted last week it made a mistake when sentencing a 4-year-old boy to prison for life. A mistaken identity and confusion inside the Egyptian court system

发表于:2018-12-08 / 阅读(95) / 评论(0) 分类 2016年VOA慢速英语(二)月

By David Gollust Washington 30 April 2007 A U.S. State Department report Tuesday said terrorist incidents and casualties attributed to them rose sharply in 2006. Most of the increase was due to the soaring violence in Iraq. VOA's David Gollust report

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 2007年VOA标准英语(四月)

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-12-26 / 阅读(119) / 评论(0) 分类 大学生活-College Life

ENVIRONMENT REPORT – Last Wild Places By George Grow Broadcast: December 27, 2002 This is the VOA Special English ENVIRONMENT REPORT. More than two-hundred scientists have completed a two-year study

发表于:2019-01-02 / 阅读(62) / 评论(0) 分类 健康与环境

Who was the better artist, a caveman or Leonardo da Vinci? It turns out that early depictions of four-legged animals walking are more accurate in some ways than modern oneseven those crafted by the Renaissance master. The study is in the journal PLoS

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(十二)月

1. Don't worry, be happy! 别担心,快乐点! 2. Look on the bright side. 看光明的一面。(往好的一面看。) 3. Keep your chin up. Everything will be all right. 抬头挺胸(不要气馁)。一切会没问题的。 4. Take it e

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 实用英语

[00:08.88]take a chance take advantage of tear up tend [00:14.26]冒险,碰运气 对...加以利用 撕毁,取消 倾向,趋向 [00:19.64]tend to the Givil War the Nobel Prize therefore [00:25.42]朝某方向,趋于 内战 诺贝尔奖 因此,所以

发表于:2019-01-10 / 阅读(121) / 评论(0) 分类 高中英语人教版高二

NEW YORK, Aug. 30 (Xinhua) -- French Open champion Li Na committed 54 unforced errors and was eliminated in the first round of the U.S. Open by 53rd-ranked teenager Simona Halep on Tuesday. Li, seeded sixth, lost 6-2, 7-5 to Romania's Halep, sufferin

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 英语新闻

We have no idea why it works, no idea at all. 我们不知道,为什么它那么高效,根本不知道。 And the moment you step back from the God complex -- let's just try to have a bunch of stuff; 当你不再认为自己有万能神力而是开

发表于:2019-01-18 / 阅读(47) / 评论(0) 分类 TED演讲教育篇

unit 533 卖房咨询 dialogue 英语情景对话 A:Good morning, sir. Have a seat please. A:先生,早上好,请坐。 B:I would like to know the state of the residential property market right now because I have an apartment tosell. B:我想知道

发表于:2019-01-21 / 阅读(198) / 评论(0) 分类 高频英语口语对话

音乐咖啡厅:Kelly Clarkson - Einstein 相关介绍 :凯莉布里安妮克拉克森 (Kelly Brianne Clarkson),凯莉克拉克森,是美国著流行音乐名歌手, 作词人和女演员。克拉克森在2002年第一季《美国偶像》胜

发表于:2019-01-28 / 阅读(150) / 评论(0) 分类 音乐咖啡厅

Are you inspired by Mahatma Gandhi? Gandhi quotes inspired millions of Indians to act in non-violent protest against British oppression. His own wisdom and philosophy can always inspire us. Here are the Gandhis Top 10 inspirational quotes that give y

发表于:2019-02-07 / 阅读(91) / 评论(0) 分类 英语美文

BEIJING, April 13 (Xinhua) -- High-end residential market in Beijing experienced downturn in sales volume and price in the first quarter, fresh evidence of slowdown of the red-hot housing market, said the world's leading real estate consulting compan

发表于:2019-02-08 / 阅读(51) / 评论(0) 分类 英语新闻

【中文解释】 errorist是指总是犯错却自认为正确的人,错误份子,瞪眼睛说瞎话。 【英文解释】 Someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. A

发表于:2019-02-09 / 阅读(94) / 评论(0) 分类 美国俚语

你真的不胖 If youre one of the legions of slim, fit and healthy people whose BMI (Body Mass Index) makes them technically overweight, this story will be music to your ears. A new test is about to launch called the ABSI. 很多人BMI指数(身体质

发表于:2019-02-25 / 阅读(85) / 评论(0) 分类 阅读空间

很多人BMI指数(身体质量指数)超重,实际上却健康苗条。如果你也是其中的一员的话,那么下面的这个新研究可能会让你觉得很中听。因为一种新的测试体重的指数诞生了。 If you're one of the l

发表于:2019-02-26 / 阅读(74) / 评论(0) 分类 雅思英语
学英语单词
2-chloroethyl
a man of wealth
accessible by postal communication
aderenal medulla
amnestic
amother
anodotism
aonghuss
arterial canal
bargaining creep
be consumed
bomb plot
broadcasting sweep-signal generator
camshaft gear thrust plate
Chiwere
chlorine-ammonia process
citizens committee
commixt
congealing temperature
contact transformation
crook-back
crooked hole
crownable
disruptor
doliolid
double switch turnout
Drake University
emergency miuisterial meeting
encoil
entomophthora colombiama
flatbase
fruit system
gave ground
gentiana pneumonanthes
glass pressing machine
Halsbrücke
Hellenises
Hesperiphona vespertina
horizontal centering potentiometer
hydrogen weapon
hypothetic(al) parallax
import and export duty and tax
indocrunoecia koreana
interim award
inverse-parallet connection
jig tenter
kgpsqcm
legacy student
light reading
lolly-pops
low-altitude antenna
lymphopathia
mhos
minus involute
mothet
multi-apertured
notree
Omoa
paroxysms
pedicular muscle
pellitory-of-the-wall
phosphenylic acid
piehler
placidnesses
pneumatic pressure device
poor-spirited
pople-nesbet equation
pornulate
portable radio-equipment
post sing. sed. liq.
power system relay protection
practical reasonableness
pradofloxacin
radial roller bearing
radio cassette player
railroad ties
red blood
regulating energy
rehmannia glutinosa libosch.forma lutea matsuda
republics of uzbekistan
rewleless
rotary table charging car
salary package
Santa Engracia, Embalse del
secant stiffness matrix
Sedum correptum
seepage spring
Serones
shelter foot
socia parotidis
stability characteristic
Sultan, Koh-i-
telecommand subconsole
tephrachronology
trim tabs
tritactic
unawesome
underfeed gas producer
unmapped conversation
van 't Hoff factors
warm-air heating system