音标：[kɔn'veks] ；

convexness
n.
convex的变形
convex
[kɔn'veks]
adj.
凸面的，凸形的，凸圆的，凸的[参较 concave]
【数学】连续凸函数的；凸点集的；(几何图形)凸的，构成凸集的
n.
凸面，凸状，凸状物；凸面线；凸圆体；凸缘

常春藤生活英语【61】27 Dresses

Jane is great at taking care of everyone in her life. She has even assisted 27 friends in planning their weddings. Now, she is busy helping her sister put together a dream wedding. There is just one problem: Jane is in love with her sister's fiance1,

发表于:2018-11-30 / 阅读(182) / 评论(0)

常春藤生活英语

魔法之城 The Magic City by E Nesbit 儿童广播剧 1

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-18 / 阅读(263) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 2

发表于:2018-12-18 / 阅读(339) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 3

发表于:2018-12-18 / 阅读(287) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 4

发表于:2018-12-18 / 阅读(275) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 5

发表于:2018-12-18 / 阅读(304) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 6

发表于:2018-12-18 / 阅读(321) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 7

发表于:2018-12-18 / 阅读(322) / 评论(0)

儿童英文广播剧在线听

魔法之城 The Magic City by E Nesbit 儿童广播剧 8

发表于:2018-12-18 / 阅读(349) / 评论(0)

儿童英文广播剧在线听

法律英语：06 Can Businesses Refuse to Accept Cash?

By Adam Freedman Todays topic: can a business refuse to accept cash? But first, your daily dose of legalese: This podcast does not create an attorney-client relationship with any listener. In other words, although I am a lawyer, Im not your lawyer. I

发表于:2018-12-30 / 阅读(204) / 评论(0)

法律英语 Legal Lad

英语诗歌:The Horses

Ted Hughes I climbed through woods in the hour-before-dawn dark. Evil air, a frost-making stillness, Not a leaf, not a bird,-- A world cast in frost. I came out above the wood Where my breath left tortuous statues in the iron light. But the valleys

发表于:2019-01-02 / 阅读(152) / 评论(0)

英语诗歌

英语语法：123 Ellipses

by Mignon Fogarty People often ask how to use ellipses, those little dot-dot-dots you often see in e-mail messages. For example, Mitra from Michigan asked, When is it appropriate to use '...' in writing? People use it all the time, and it seems like

发表于:2019-01-02 / 阅读(201) / 评论(0)

英语语法 Grammar Girl

2007年VOA标准英语-7 Dead as US Highway Bridge Collapses in Minnes

By Greg Flakus Houston 02 August 2007 A bridge spanning the Mississippi River in the Midwestern city of Minneapolis collapsed Wednesday, during the evening rush hour, dumping scores of vehicles into the river. At least seven people died and local hos

发表于:2019-01-07 / 阅读(205) / 评论(0)

2007年VOA标准英语（八月）

被无数个电台做过无数次的背景电乐 dreams come true--ses

Ne ga weon ha neun de ro Ja sin in neun mo seub keu dae ro I jek keo sum gyo watteon bi mi leul Ne ga mo du mal ha go sipeo (Baby) Funny How All Dreams Come True Na lul ji kyo jul kkeo ya Ak kyeo watteon ja geun sa lang do Funny How I Feel For You Ne

发表于:2019-01-10 / 阅读(163) / 评论(0)

音乐天堂

2006年VOA标准英语-US Cracks Down on Businesses Employing Ill

By Meredith Buel Washington 20 April 2006 Michael Chertoff, left, listens as Julie Myers gives remarks at Immigration and Customs Enforcement headquarters U.S. immigration agents have arrested seven e

发表于:2019-01-13 / 阅读(206) / 评论(0)

2006年VOA标准英语（四月）

2006年VOA标准英语-Businesses Looking for Comprehensive Immig

By Jeff Swicord Washington, DC 01 May 2006 watch Immigration report One of the major issues before the U.S. Congress is immigration reform. There are many sides to the debate -- including how any chan

发表于:2019-01-13 / 阅读(219) / 评论(0)

2006年VOA标准英语（五月）

VOA标准英语2008年-Cape Verde Businesses Respond to WTO Membership

Business leaders in Cape Verde are responding to their country's ascension to the World Trade Organization. While business leaders agree the measure should enhance the competitiveness of the island nation, Brent Latham reports from our West Africa b

发表于:2019-01-13 / 阅读(195) / 评论(0)

VOA标准英语2008年（七月）

2006年VOA标准英语-German Businesses Await Economic Effects of Wor

By Catherine Drew Berlin 08 June 2006 watch World Cup Economics The 2006 World Cup will see millions of soccer fans descend on Germany for four weeks of football madness. In that time each visitor is expected to spend around $400 (U.S.) a day. In th

发表于:2019-02-04 / 阅读(180) / 评论(0)

2006年VOA标准英语（六月）

US Businesses Sharply Boosting Employment

The U.S. economy had a net gain of 227,000 jobs in February, while the unemployment rate held steady at 8.3 percent. Some industry experts say Friday's employment data is the latest in a series of generally upbeat economic reports showing the economy

发表于:2019-02-04 / 阅读(158) / 评论(0)

英语新闻

2007年VOA标准英语-US Small Businesses Concerned About Immigration

By Meredith Buel Cambridge, Maryland 13 June 2007 President Bush is urging members of the U.S. Congress to resurrect a bill designed to reform the nation's immigration policies. The bill has stalled in the Senate and lawmakers are negotiating comprom

发表于:2019-02-04 / 阅读(184) / 评论(0)

2007年VOA标准英语（六月）

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

acetazolamide (diamox)

acrocephalus tangorum

air sea rescue beacon

Arpino,Gerald (Peter)

Ascalaphus

auctoritas

Bede.