[等离子] 时间色散

Nowadays, most of the food we eat is cooked in ovens or on stoves. The heat which is needed to cook this food comes from burning wood, gas, or other fuels1. However, natural resources2 are decreasing. When fuel becomes less available, people have to

发表于:2018-11-30 / 阅读(259) / 评论(0) 分类 常春藤生活英语

Be Positive Do Something Day is on March 1st. It is our chance to make a difference in the world and do something positive. It might change our lives for the better. It often seems as though the world is full of negative news, negative people and neg

发表于:2018-12-04 / 阅读(187) / 评论(0) 分类 英语课程学习计划和讲义

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 英语语法 Grammar Girl

by Jason Marshall Lets kick things off with a bit of a strange question: If you were asked to walk up two stairs and then immediately back down three, how would you describe the total number of stairs youd climbed relative to where you began? Do any

发表于:2018-12-07 / 阅读(181) / 评论(0) 分类 数学英语

Amber: Hello, I'm Amber, and you're listening to bbclearningenglish.com. In Entertainment today, we listen to an interview with a woman who - in the 1980s and 90s - put the word 'supermodel' in the dictionary! She's Elle Macpherson. Elle began her b

发表于:2018-12-19 / 阅读(302) / 评论(0) 分类 Entertainment

My Fellow Americans, I come before you tonight as a candidate for the Vice Presidency and as a man whose honesty and integrity has been questioned. Now, the usual political thing to do when charges are made against you is to either ignore them or to

发表于:2018-12-30 / 阅读(574) / 评论(0) 分类 名人演讲

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(274) / 评论(0) 分类 法律英语 Legal Lad

Grammar Girl here. Since this is my 100th episode, it seems like a fitting time to talk about how to use numbers in sentences. [Note: There are many exceptions to the rules about how to write numbers. These tips will point you in the right direction,

发表于:2019-01-02 / 阅读(213) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is one versus you. Guest-writer Bonnie Trenga is going to help us determine the best way to talk in general terms about the average person. Bonnie says, If you want to talk about people in general, should you say, It

发表于:2019-01-02 / 阅读(213) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. I'm on vacation this week, but before I left I updated one of the early episodes that I took down a few months ago. I hope you enjoy this new and improved version. Today's topic is addictive versus addicting, and we'll get to use a

发表于:2019-01-02 / 阅读(230) / 评论(0) 分类 英语语法 Grammar Girl

Today well be looking at two constructions that are correct, but which one you choose depends on your audience. In Which Versus Where The expressions that concern us today are which and where. Well be comparing sentences like these: This is the store

发表于:2019-01-02 / 阅读(186) / 评论(0) 分类 英语语法 Grammar Girl

Gal Gamers Geekier Than Guys A study in the Journal of Communication found that women who engage in a role-playing game online actually spend more time in the alternate reality than the guy players do. Karen Hopkin reports Picture a gamer, someone wh

发表于:2019-01-02 / 阅读(236) / 评论(0) 分类 60秒科学

by Jason Marshall Do you remember your very first encounter with numbers? No, I dont either. But I imagine it might have involved someone pointing to each of my fingers in turn, and with great fanfare, counting aloud: One, Two, Three, Four, Five! And

发表于:2019-01-02 / 阅读(309) / 评论(0) 分类 数学英语

Todd: So, Alexandra, you're going to be a lawyer. Alex: Yes, I am. Todd: Now laywers, unfortunately, often have a bad reputation. Why don't you talk about how lawyers are good for society: Why we need lawyers? Alex: Well, first we need lawyers becaus

发表于:2019-01-25 / 阅读(171) / 评论(0) 分类 原版英语对话1000个

By Jim Malone Washington 01 February 2007 Senator Joe Biden of Delaware is the latest Democrat to join the race for president in 2008. But Biden already finds himself on the defensive over some comments he made about one of his rivals, Illinois Sena

发表于:2019-02-03 / 阅读(246) / 评论(0) 分类 2007年VOA标准英语(二月)

Todd: So, you know, you have a very small school. Have you ever worked for a large school before? Conrad: Yes, I've worked basically every different type of school possible to work here in Japan, starting with the kindergarden, junior high, senmongak

发表于:2019-02-03 / 阅读(170) / 评论(0) 分类 原版英语对话1000个

Sylvia: How would you like to take my sister, Donna, to the movies this weekend? Youd be doing me a favor. Joon: Why? Whats wrong with her? Sylvia: Nothing is wrong with her! She just broke up with her boyfriend of four years and shes down in the dum

发表于:2019-02-04 / 阅读(183) / 评论(0) 分类 地道美语播客

By Parke Brewer Turin 09 February 2006 Five-time Olympian Chris Witty will carry the flag for the U.S. Olympic team at Friday night's opening ceremonies for the Turin Winter Games. Christine Witty Lon

发表于:2019-02-04 / 阅读(294) / 评论(0) 分类 2006年VOA标准英语(二月)

今天我们要学的词是diversity。 Diversity, 多元。 The school is committed to improve the diversity of its student body, 学校致力于提高学生的多元化。星期一是美国法定假日,马丁.路德金日。 It's a time for peopl

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 英语单词荟萃

Personal Productivity in the 21st Century What does it mean to be productive? The gurus have given us a few ideas it means to get things done, to be highly effective, to know who it was, exactly, who moved your cheese. What things, effective at what,

发表于:2019-02-13 / 阅读(232) / 评论(0) 分类 阅读空间
学英语单词
a hive of industry
agerite
amorphozoary
Apprieu
Apractognosia
atran
bartlett pear juice
between one's teeth
Bressanone
broken-down hydrocarbons
Cain complex
characteristic polynomial of a differential operator
classic(al)
cock holsters
coefficient between layers
commodity brand
confirmers
conjugate hodograph
conspiratorialist
coolant duct
crank case explosion
Crista sphenoidalis
De Behagle
deep-fault trough
delivered sound
delivery elevator
dermographism
EAP-FAST
earthquake-prone
Edebo
equal-stress line
esophagostomy externa
euclimacia fusca
external definition symbol
family Myctophidae
feed rock shaft
fermi dirac statistics
file receiving application
genus Parascalops
get done
ground wind indicator
gsha
hand-carrying
handsy
harp antenna
HDR video
headcarry
heel of tool
henism
hewn squares
homogeneous competition
hruban
hypoperfusion
inclined ray
incoming alpha signal
inner plasma ring
Ipomoea mauritiana
large capacity core storage
luncheon meetings
Mahalla el Kubra
maintenance engineer
mistifying
navegantes
nickel-oxide film diode
octanohydroxamic acid
odontosyrinx
oil-cooler
one hundred and fifty-five
paranitrotoluene
parietal band
parmenters
Permanite
piplartin
planctomycete
pneumatic guide line tensioner
Psammochloa villosa
public executioners
quean
rachna
rallytable
resalient
satellite differential
setting-out machine
sled cutter
spatial mesh
spinor connection
structural employment
Suctoria
synechthran
synovial fold
tallows
tapissed
tempatation
thermo-shield
truth in broadcasting act of 2005
turn a deaf ear to
two-hinged arch truss
vacabonds
water resources assessment
wider
wire all faults
zenion japonicum