[光] 体光学

They Did It With Mirrors!

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(205) / 评论(0)

疯狂英语2003年

买东西用到的英语句子

1、Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。 2、Can you give me a little deal on this? 这能卖得便宜一点吗？ 3、Can you give me this for cheaper? 能便宜一点给我吗？ 4、Is there any disc

发表于:2018-12-18 / 阅读(85) / 评论(0)

实用英语

走进剑桥大学第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(112) / 评论(0)

走进剑桥大学

商务英语词汇业务：洽谈业务

[00:03.81]bulk order :大量订购 [00:05.71]commission :n.佣金 [00:07.49]competitive edge :竞争优势 [00:09.74]deal :n.交易 [00:11.41]hot seller :畅销品；热卖商品 [00:13.37]in stock :库存 [00:15.25]lead time :交货期(从订货到取

发表于:2018-12-31 / 阅读(261) / 评论(0)

商务英语分类核心1000词汇

绿箭侠第一季第378期:杀手的诞生

Shado! Slade! 莎朵！斯莱德！ Boy, I should have figured. 小子，我应该想到的。 You couldn't save the day... without making a mess. 要不弄得天下大乱，你是救不了我们的。 Where's Shado? 莎朵呢？ I thought she was wi

发表于:2019-01-01 / 阅读(92) / 评论(0)

绿箭侠第一季

六级词汇与结构练习（12）

坚持不懈，直到成功。我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(150) / 评论(0)

四六级词汇与结构练习

生活大爆炸之外出就餐（2）

TBBT101-32 生活大爆炸之外出就餐（2） Howard: Turn left on Lake Street and head up to Colorado. I know a wonderful little sushi bar that has karaoke. Penny: That sounds like fun. Howard (sings): Baby, baby dont get hooked on me. Uh, baby,

发表于:2019-01-05 / 阅读(112) / 评论(0)

看美剧学英语

SSS 2008-05-06

This is Scientific American's 60-Second Science,I am Karen Hopkin.This'll just take a minute. Losing weight is no walk in the park. (Although a walk in the park wouldnt hurt). Seems no matter what diet you try, those stubborn love handles just wont g

发表于:2019-01-08 / 阅读(129) / 评论(0)

Scientific American(五)月

英语听力：自然百科穿越银河系的旅行 Through Milky Way—14

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(248) / 评论(0)

自然百科2011年

PBS高端访谈:企业都关注的六大发展趋势

GWEN IFILL: We're bombarded with advertising every day on TV, online, or just walking around the neighborhood. That's no accident. The ad business spends over $160 billion a year on it. But even before the ad reaches your smartphone or whatever, manu

发表于:2019-01-27 / 阅读(127) / 评论(0)

PBS访谈商业系列

学个词Learn a Word 第1503课 bulk up

今天我们要学的词是bulk up。Bulk up, 是增加，积累的意思。美国四月份就业报告出台，就业集中增加在一些低薪资行业。 Hiring by retailers rebounded, and food services and temporary-help agencies also bulked up,

发表于:2019-02-04 / 阅读(125) / 评论(0)

英语单词荟萃

买东西必会的实用英语

1、Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。 2、Can you give me a little deal on this? 这能卖得便宜一点吗? 3、Can you give me this for cheaper? 能便宜一点给我吗? 4、Is there any discount

发表于:2019-02-07 / 阅读(103) / 评论(0)

英美文化

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(119) / 评论(0)

实用英语

口语:怎么用英语讨价还价

怎么用英语讨价还价你想买到便宜又实用的商品吗？先来学学和卖家讨价还价吧。 1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。 Rip someone off 意为某商店或商贩企图宰它的

发表于:2019-02-11 / 阅读(84) / 评论(0)

英语口语

砍价常用的10句英语口语

1、Hey, dont try to rip me off. I know what this is worth. 别想宰我，我识货。注解：买东西是被宰，所以不管是不是行家都要先造出声势，用这句话镇住卖家。Rip someone off意为某商店或商贩企图宰它的顾

发表于:2019-02-15 / 阅读(72) / 评论(0)

实用英语

价格逆天！如何用英语讨价还价？

逆天的价格，你碰上过吗？无节操的商家，你遭遇过吗？东西贵得太离谱，你该怎么说？今天就来看看那些贵到不能忍的表达吧！ Rip-off 英文里rip sb off是个动词短语，意思是：一件东西本来不

发表于:2019-02-18 / 阅读(127) / 评论(0)

英语口语

英语怎么说土包子？

bumpkin 土包子 drowned rat 落汤鸡 rob Peter to pay Paul 拆东墙补西墙 lickspittle 马屁精 lady killer 师奶杀手 tit for tat 针锋相对 Mr. Right 白马王子 blow the whistle 告密 go Dutch AA制 neck and neck 并驾齐驱 blacklis

发表于:2019-02-19 / 阅读(246) / 评论(0)

英语口语

如何用英语讨价还价

1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。买东西最担心被宰，所以不管是不是被宰了，行家都要先造出声势，用这句话镇住卖家。 Rip someone off 意为某商店或商贩企图

发表于:2019-02-19 / 阅读(95) / 评论(0)

英语口语

万物简史第366期:进入对流层(7)

Air is deceptive stuff. Even at sea level, we tend to think of the air as being ethereal and all but weightless. In fact, it has plenty of bulk, and that bulk often exerts itself. As a marine scientist named Wyville Thomson wrote more than a century

发表于:2019-02-25 / 阅读(89) / 评论(0)

万物简史

换季“血拼”必备口语10条

换季血拼的时候又到了，各位久经商场的购物狂人，一定预备好了杀价策略，准备大显身手！今天就来看看砍价都会用到哪些口语吧！ 1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，

发表于:2019-02-25 / 阅读(113) / 评论(0)

英语口语

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