交替配位聚合；交互配位聚合

奥运28大项第2课 Archery 箭术02

[00:09.91]北京奥运28大项 [00:30.79]参与，竞争，分享，进步 [00:48.71]Archery 箭术 [00:52.58]英文原文 [00:54.20]No rules disallow the use of pencil for scoring arrows. [00:58.09]The possibility of cheating is prevented by the cross-checking [01:02.27]

发表于:2018-12-05 / 阅读(297) / 评论(0)

奥运28大项比赛

日本发明牙医机器人

日本昭和大学最近发布了用于牙医试验的昭和花子2号机器人，相比1号，2号的头部的作动由液压改成了马达，同时也将 PVC 外皮换成了更拟真的硅胶外皮。除了会张嘴秀一口白牙之外，花子2号

发表于:2018-12-09 / 阅读(139) / 评论(0)

英语万花筒

美国英语听力80篇3 Lesson51

[00:05.20]Nikola Tesla developed the alternating current power system that provides electricity in the United States. [00:14.42]Many of his other discoveries led to electronic inventions for which other scientists were honored. [00:22.75]Mister Tesla

发表于:2018-12-26 / 阅读(138) / 评论(0)

美国英语听力80篇

奥运28大项第45课 BREASTSTROKE 蛙泳

北京奥运28大项参与，竞争，分享，进步 Swimming 游泳 BREASTSTROKE 蛙泳 From the beginning of the first arm stroke after the start and after each turn, the body shall be kept on the breast. It is not permitted to roll onto the back at any time. Throug

发表于:2018-12-30 / 阅读(322) / 评论(0)

奥运28大项比赛

六级词汇与结构练习（41）

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(128) / 评论(0)

四六级词汇与结构练习

美联社新闻一分钟 AP 2012-11-02

1. Heavy rain and flooding are still major threats for the next couple of days, as superstorm Sandy travels up the East Coast. At least 16 deaths are reported. Millions are without electricity. 2. First flood waters, then fire for an Oceanside neighb

发表于:2019-01-11 / 阅读(181) / 评论(0)

美联社新闻一分钟2012(十一月)

美联社新闻一分钟 AP 2015-4-9

1. A man and his seven children have been found dead in their home in Maryland. Authorities are investigating whether carbon monoxide-poisoning is to blame. Relatives say that the family had been using a generator for heat, after their electricity wa

发表于:2019-01-11 / 阅读(191) / 评论(0)

美联社新闻一分钟2015(四)月

VOA慢速英语2015--特奥会投球手为夏季运动会做准备

AS IT IS 2015-07-23 Special Olympics Bowler Ready for Summer Games 特奥会投球手为夏季运动会做准备 Los Angeles, California is set to welcome more than 7,000 thousand athletes from 177 nations for the Special Olympics World Summer Games.

发表于:2019-01-12 / 阅读(117) / 评论(0)

2015年VOA慢速英语(七)月

VOA标准英语2009年-Obama Urges Global Economic Coordination

U.S. President Barack Obama is calling on America's allies to further coordinate efforts to jump-start their economies. The president also is expected to sign a bill Wednesday to keep the U.S. government running through September, while calling for

发表于:2019-01-13 / 阅读(165) / 评论(0)

VOA标准英语2009年(三月)

英语口语大赢家Topic290:工作安排与协调Arrangement and Coordination

在工作中本杰明的下属遇到困难，工作落后了其他人。在工作安排和同事协调上如何达到最佳状态呢？ Listen Read Learn Benjamin: How is the project going? Colleague: Well, frankly speaking, I am running a little behind. It's 40% done. Benjamin: Do you have an

发表于:2019-01-21 / 阅读(208) / 评论(0)

英语口语大赢家

Diego Alves relishes life in Valencia

VALENCIA, Spain, March 23 (Xinhua) -- Valencia goalkeeper Diego Alves took the time to speak to Xinhua in an exclusive interview this week about his experiences at the side which currently lies third in the BBVA Primera Liga table. Alves, 26, joined

发表于:2019-02-02 / 阅读(146) / 评论(0)

英语新闻

CCTV9英语新闻：电力恢复到76%的家庭，道路重新开放

Power has been restored to nearly eighty percent of households in the epicenter of the quake. The quake cut off electricity in ten townships in Ludian County. By noon Tuesday, the Yunnan provincial electricity company have brought three 35-kilovolt t

发表于:2019-02-04 / 阅读(179) / 评论(0)

CCTV9英语新闻2014年08月

习主席出席金砖国家峰会

The seventh BRICS summit is scheduled for Wednesday and Thursday and the 15th meeting of the Council of Shanghai Cooperation Organization Heads of State for Thursday and Friday in Ufa, Russia. During his stay there, President Xi Jinping will meet wit

发表于:2019-02-05 / 阅读(160) / 评论(0)

英语新闻

“维密”模特身材养成记

今年的维密内衣秀又让大家大饱眼福，每个维密天使都是曲线玲珑性感无敌。除了天生丽质，维密超模们都要经过长期的艰苦训练。想拥有超模的完美身材吗？来看看她们的健身秘诀吧！ Whi

发表于:2019-02-13 / 阅读(137) / 评论(0)

英语美文

俄罗斯准备金砖国家峰会

Contact Groups on economic and trade issues, Ministers of Youth Affairs meetings, finance ministers, trade ministers and central bank governors meetings, meetings of the board of governors of the BRICS New Development Bank, financial forums, business

发表于:2019-02-17 / 阅读(122) / 评论(0)

英语新闻

联合国对菲律宾的救援行动

联合国对菲律宾的救援行动 UNITED NATIONS, Nov. 12 (Xinhua) -- As the magnitude of the devastation wrought by Typhoon Haiyan unfolds in the Philippines, the United Nations and its partners are mounting a massive humanitarian operation, batt

发表于:2019-02-18 / 阅读(125) / 评论(0)

英语新闻

China to cement partnership with Ukraine

BEIJING, July 17 (Xinhua) -- A senior leader of the Communist Party of China (CPC) on Tuesday said China is willing to cement a strategic partnership with Ukraine. He Guoqiang, a member of the Standing Committee of the Political Bureau of the CPC Cen

发表于:2019-02-18 / 阅读(188) / 评论(0)

英语新闻

China calls for closer security cooperation with Uzbekistan

BEIJING, April 19 (Xinhua) -- State Councilor Meng Jianzhu said Thursday that China and Uzbekistan should cooperate to safeguard the security and stability of the two countries as well as that of the region. Meng, who is also the minister of public s

发表于:2019-02-19 / 阅读(173) / 评论(0)

英语新闻

陨落星辰第一季第151期:一家人的离别

Here you go, Mr. Scott. Okay. 斯科特先生，给你。好 Oh, this must be really messing their heads up. 这个肯定能扰乱它们的攻势 The frequency's still locked in place. 频率还锁定在这个地方 How are you feeling? 你感觉怎样

发表于:2019-03-02 / 阅读(300) / 评论(0)

陨落星辰第一季

学个词 Learn a Word-VOA英语教学 2735 coordination

今天我们要学的词是 coordination. Coordination 名词，有协调的意思。The Pentagon denied a Russian claim about U.S. military coordination with Russia in Syria. 五角大楼对俄罗斯所谓美军在叙利亚跟俄罗斯协同作战的说

发表于:2019-03-07 / 阅读(221) / 评论(0)

英语单词荟萃

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学英语单词

Appendage(epididymis)