[电] 交变通量

alternating flux的用法和样例：

例句

A unit of magnetic flux density equals to 1 maxwell per square centimeter.一种磁通量密度单位，等于每平方厘米麦克斯韦。
The problem may be even more severe for the small photospheric flux knots.对细小的光环磁通量节点来说，这些问题可能更为严峻。

What I Have Lived For

What I Have Lived For By Bertrand Russell Three passions, simple but 1) overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and 2) unbearable pity for the suf

发表于:2018-11-28 / 阅读(159) / 评论(0)

疯狂英语2003年

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(228) / 评论(0)

奥运28大项比赛

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(67) / 评论(0)

美国英语听力80篇

【突破英文词汇】flu, fluc, flux -- flow 流

1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres

发表于:2018-12-30 / 阅读(91) / 评论(0)

突破英文词汇

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(239) / 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(54) / 评论(0)

四六级词汇与结构练习

What I Have Lived For-我为何而活

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. These passions, like great winds, have blown me hither and thither, in a waywar

发表于:2019-01-08 / 阅读(56) / 评论(0)

英语小短文

我的人生追求！

Three passions, simple but overwhelmingly strong, have governed my life :the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. These passions, in a wayward course,are over a deep ocean of anguish, reaching

发表于:2019-01-08 / 阅读(53) / 评论(0)

英语美文

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(98) / 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(103) / 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(53) / 评论(0)

2015年VOA慢速英语(七)月

VOA标准英语2012--Egypt's Moussa Stresses Experience in Time of Flux

Egypt's Moussa Stresses Experience in Time of Flux Moussa's past is both a strength and a weakness. The former foreign minister and ex- Arab League chief says he is ready to lead the nation. The country is in a major crisis, noted Moussa. And a major

发表于:2019-01-13 / 阅读(79) / 评论(0)

VOA标准英语2012年(五月)

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(69) / 评论(0)

英语新闻

学个词Learn a Word 第1268期 flux

今天我们要学的词是flux。 Flux, 是动荡的，不断变化的。 The leadership of Yemen is in flux after former president Saleh was forced to step down, 也门前总统萨利赫被迫下台后，国家领导层处于动荡之中。 Afghani

发表于:2019-02-03 / 阅读(84) / 评论(0)

英语单词荟萃

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(101) / 评论(0)

CCTV9英语新闻2014年08月

五个适合移动办公者的最佳城市清迈

Some jobs these days require little more than a laptop and an internet connection, allowing many digital nomads the opportunity to live and work in cities across the world. But because they often only stay in a place for a few weeks or months at a ti

发表于:2019-02-05 / 阅读(55) / 评论(0)

英语新闻

杜特尔特支持中俄主导新秩序

Rodrigo Duterte, the Philippine president, has backed the idea of a new world order led by China and Russia, highlighting global uncertainty about US security and trade goals under Donald Trump. 菲律宾总统罗德里戈.杜特尔特(Rodrigo Dutert

发表于:2019-02-11 / 阅读(58) / 评论(0)

英语新闻

英语美文:我为何而活

伯兰特罗素（1872年5月18日－1970年2月2日）是二十世纪最有影响力的哲学家、数学家和逻辑学家之一，同时也是活跃的政治活动家，并致力于哲学的大众化、普及化。无数人将罗素视为这个时代

发表于:2019-02-16 / 阅读(67) / 评论(0)

英语美文

我为什么而活

Three passions，simple but overwhelmingly1） strong，have governed my life：the longing for love，the search for knowledge，and unbearable pity for the suffering of mankind.These passions，like great winds，have blown me hither and thither2），

发表于:2019-02-18 / 阅读(65) / 评论(0)

阅读空间

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(215) / 评论(0)

陨落星辰第一季

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