可定向闭曲面

VOA慢速英语2017--New Jersey Governor Enjoying Beach Closed to Public

This is Whats Trending Today. Chris Christie is the governor of the state of New Jersey. He has held the position since 2010. He is a well-known politician, and was one of several candidates who ran for the Republican Party nomination for the preside

发表于:2018-12-07 / 阅读(165) / 评论(0)

2017年VOA慢速英语(七)月

美国国家公共电台 NPR NASA Probe Lands Safely On Martian Surface

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(198) / 评论(0)

2018年NPR美国国家公共电台11月

【英语5级听力】店铺关门了-The Store Was Closed

Cindy needed to return her dress. She tried it on at home earlier. It did not fit her. Today was the last day to return it. After today, she had to keep the dress. The store closes at 8 P.M. She started driving at 7:30 P.M. It took her 20 minutes to

发表于:2018-12-28 / 阅读(212) / 评论(0)

英语第5级听力-English Level 5

地道美语听力播客:Driving on the Freeways

地道美语听力播客English as a Second Language Podcast (ESLPod)，是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话，于2005年7月23日首播，主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(207) / 评论(0)

地道美语播客

美国国家公共电台 NPR With Power Out, Many Florida Gas Stations Remain Closed

ARI SHAPIRO, HOST: The lack of electricity in a lot of Florida is one reason that people who want to return to their homes are stuck. They're having trouble finding gasoline to make the drive home. NPR's Jim Zarroli reports. JIM ZARROLI, BYLINE: When

发表于:2019-01-16 / 阅读(188) / 评论(0)

2017年NPR美国国家公共电台9月

VOA标准英语2010年-Divers Find Oil Under Surface; BP Cont

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(202) / 评论(0)

VOA标准英语2010年(六)月

Divisions Surface at UN Climate Change Talks

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(202) / 评论(0)

英语新闻

VOA标准英语2013--Drone Strikes Key as Terror Threat Keeps US Embassies Closed

Drone Strikes Key as Terror Threat Keeps US Embassies Closed STATE DEPARTMENT Several U.S. embassies and consulates remain closed as the U.S. works to counter potential al-Qaida attacks in the Middle East. Another day of 19 U.S. embassy closings arou

发表于:2019-02-01 / 阅读(177) / 评论(0)

VOA常速英语2013年(八月)

音乐咖啡厅:Under The Surface埋藏心底你是否依然还爱着她

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚，而是选择了清澈的民谣曲风，用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿，带给听者如沐春风的清新感觉。中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(224) / 评论(0)

音乐咖啡厅

Microsoft launches "Surface" Tablets

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(204) / 评论(0)

英语新闻

加州英语分级G6 Changes at Earth's Surface 08

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发表于:2019-02-19 / 阅读(226) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 07

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发表于:2019-02-19 / 阅读(200) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 06

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发表于:2019-02-19 / 阅读(223) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 05

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发表于:2019-02-19 / 阅读(274) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 04

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发表于:2019-02-19 / 阅读(216) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 03

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发表于:2019-02-19 / 阅读(212) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 02

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发表于:2019-02-19 / 阅读(215) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 16

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发表于:2019-02-19 / 阅读(220) / 评论(0)

加州英语分级G6

加州英语分级G6 Changes at Earth's Surface 15

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发表于:2019-02-19 / 阅读(204) / 评论(0)

加州英语分级G6

【英语时差8，16】深处睡眠1

Almost every animal ever studied spends a large part of each day sleeping. Sleep is thought to play an essential role in the health of almost all animals. Because of this, scientists have long wondered how cetaceans, such as whales and dolphins, get

发表于:2019-02-23 / 阅读(149) / 评论(0)

英语时差8，16

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学英语单词

Aconcagua, Cerro

acoustic power

actual variable parameter

agreement in principle

amplitude-phase characteristic