单词:Deijaguin-Landau and VerweyOverbeek theory of flocculation
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23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh
生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal
The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and
27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi
A: Heres a letter for you. B: Let me see it. A: Whos the letter from? B: Its a letter from UCLA about my acceptance. A: Read it! B: UCLA accepted me! A: Really? B: Im not joking. I got accepted! A: Im so happy for you! B: UCLA was my second choice, b
A: You got a letter in the mail. B: Give it to me. A: What is it? B: Its my acceptance letter from UCLA. A: What does it say? B: Ive been accepted! A: Are you serious? B: Im serious. A: Good for you! B: NYU was my first choice, but UCLA is just fine.
A: You received a letter in the mail. B: Give it here. A: Whos the letter from? B: I think its my acceptance letter from NYU. A: I want to know what it says. B: They didnt accept me. A: Are you serious? B: Its the truth. A: Are you okay? B: I really
Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U
AMERICAN MOSAIC - Culturally Diverse Dolls from Two New York Toymakers DOUG JOHNSON: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week, on our program we play new music by hip-hop artist Wiz Khalifa We answer a qu
ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A
Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b
By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi
New Survey Finds 1/3 of World's Population Overweight Obesity is not just an American problem anymore. A recent international survey by the Worldwatch Institute, found that nearly two billion people around the world are overweight. Health statistics
A: Do you know why I pulled you over? B: I have no idea. A: Your left brake light is out. B: I was not aware of that. A: I'm going to have to write you a ticket. B: You can't give me a break? A: I'm just doing my job. B: How much is the ticket for? A
A: Do you have any idea why I pulled you over today? B: I'm not sure. A: One of your brake lights is out. B: Really? I'm sorry. I did not know that. A: I'm going to give you a ticket. B: Why can't you just let me off with a warning? A: It's just a ti
A: Are you aware of the reason why I pulled you over? B: No, sir. A: I pulled you over because your brake light is out. B: I'm sorry. I did not know that. A: I have to write you a ticket. B: Can't you give me a warning? A: I'm not going to be able to
Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.
美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年
Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir
我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就