n. 恒定速度
[网络] 双万向联轴节

万花筒 2008-06-10&-06-11

Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

发表于:2018-12-11 / 阅读(155) / 评论(0)

万花筒2008年

TED演讲:如何把熟蛋变生(2)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(135) / 评论(0)

TED演讲教育篇

英语分类词汇：光驱

BCF(Boot Catalog File，启动目录文件) BIF(Boot Image File，启动映像文件) CDR(CD Recordable，可记录光盘) CD-ROM/XA(CD-ROM extended Architecture，唯读光盘增强形架构) CDRW(CD-Rewritable，可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(240) / 评论(0)

英文语法词汇

赖世雄英语新闻听力通第74期:震撼NBA的总决赛

(LOS ANGELES, AP) Allen Iverson shook up the NBA Finals when he scored 48 points in the opener of the series. （美联社洛杉矶电）亚伦.艾佛森在NBA联赛的第一场比赛攻下48分，震撼NBA的总决赛。 The Philadelphia 76ers stunn

发表于:2018-12-28 / 阅读(139) / 评论(0)

赖世雄英语新闻听力通

北师大初中英语七年级下--Expansion 9-2

[00:00.00]7 Dear Meg, [00:08.52]I have constant stomach problems. [00:11.48]What can I do to get better? [00:14.12]Frank [00:16.01]Dear Frank, [00:17.46]First of all, [00:18.65]you should see a doctor. [00:20.43]Don't eat junk food. [00:22.38]You sho

发表于:2018-12-29 / 阅读(223) / 评论(0)

北师大版初中英语七年级下

篮球术语：助攻和篮板球

看到助攻，千万不要受汉语思维影响。助攻很简单，一点都不复杂，不信？看外电一段有关小巨人姚明缺席NBA全明星赛的相关报道： NBA Houston Rockets center Yao Ming will not play in next month's National

发表于:2019-01-03 / 阅读(122) / 评论(0)

奥运英语

SSS 2009-04-15

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(175) / 评论(0)

Scientific American(四)月

SSS 2009-06-15

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m

发表于:2019-01-08 / 阅读(181) / 评论(0)

Scientific American(六)月

英文摇滚歌曲：As I Lay Dying - The Only Constant Is Change

The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

发表于:2019-01-10 / 阅读(180) / 评论(0)

英文摇滚歌曲

天籁音乐:Nicole Sherzinger-Baby Love

关于Nicole Sherzinger的资料在网络上无从查找，但个人比较喜欢她的嗓音，黑人的独特嗓音，特别有磁性，相信大家会喜欢滴！ Baby Love Nicole Sherzinger I remember like it was yesterday first kiss and i knew yo

发表于:2019-01-10 / 阅读(179) / 评论(0)

天籁音乐

TED演讲:探索世界最深洞穴(9)

We have to beat that. 我们必须克服它。 We can do it because in space there are no aerodynamics. 我们能够这样做是因为太空里没有空气阻力。 We can go and use inflatable systems for almost everything. 我们几乎总是能够使

发表于:2019-01-18 / 阅读(110) / 评论(0)

TED演讲商业篇

Clippers win over Pistons 129-97

LOS ANGELES, March 10 (Xinhua) -- Blake Griffin finished with 22 points and eight rebounds, Chris Paul contributed 20 points with 14 assists as the Los Angeles Clippers handed the Detroit Pistons 5th straight defeat 129-97 on Sunday. The 129 points w

发表于:2019-02-03 / 阅读(168) / 评论(0)

英语新闻

Philadelphia guard Richardson undergoes successful knee surgery

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(174) / 评论(0)

英语新闻

用英语如何描述市场行情

1．市况上扬: The market advances/ gains /rises. 2．市况下挫: The market declines /falls/loses. 3．市况活跃: The market booms. The market is excited. The market becomes active. The market becomes brisk. 4．市况暴跌停滞: The m

发表于:2019-02-06 / 阅读(142) / 评论(0)

天天商务口语

嫦娥5号探测器今年将带回月球土壤

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示，我国

发表于:2019-02-07 / 阅读(99) / 评论(0)

英语新闻

经济学人:云巅之上畅想未来交通(下)

No matter which manufacturer is quickest to gain velocity, Uber, a ride-hailing firm, aims to be at the centre of things. 无论哪家制造商最先让飞行器达到预期的速度，叫车公司优步的目标是成为该产业的核心。 On Apri

发表于:2019-02-16 / 阅读(99) / 评论(0)

经济学人商业系列

万物简史第241期:马斯特-马克的夸克(13)

Hubble realized that this could be expressed with a simple equation, Ho = v/d (where Ho is the constant, v is the recessional velocity of a flying galaxy, andd its distance away from us). Ho has been known ever since as the Hubble constant and the wh

发表于:2019-02-17 / 阅读(108) / 评论(0)

万物简史

《荒野求生》之跟着贝尔去冒险第475期:最隐蔽的方式

The atmospheric pressure as we climb is getting so low 气压在逐渐减小 that without any air supply,I'd be unconscious within 20 seconds. 如果不戴呼吸器不用20秒我就会休克过去 I have to breathe 100% oxygen to avoid getting nitro

发表于:2019-02-17 / 阅读(137) / 评论(0)

荒野求生

Varejao to miss up to two months

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(182) / 评论(0)

英语新闻

英语听书《白鲸记》第705期

As an overladen Indiaman bearing down the Hindostan coast with a deck load of frightened horses, careens, buries, rolls, and wallows on her way; 如同一只超载的东印度公司贸易船，甲板上装着许多惊惶失措的种马，正在印度斯

发表于:2019-03-10 / 阅读(251) / 评论(0)

白鲸记

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altitude and azimuth circle

ceratopogon (isohelea) flaviventris