[电] 检波器

envelope detector的用法和样例：

例句

A marine detector is a hydrophone.海洋检波器是水中地震检波器。
We can imagine a seismic detector being bombarded by myriads of grains of sand.我们可以想像检波器受几万个砂粒冲击的情景。

牛津小学英语六年级下UNIT7

[00:12.98]page 54 A.Listen,read and say [00:20.06]Yesterday afternoon,Liu Tao read about an English boy,Peter,in the newspaper. [00:28.60]Peter wanted a penfriend in China. [00:33.15]LiuTao would like to be his penfriend.He wants to write to Peter. [

发表于:2018-11-30 / 阅读(182) / 评论(0)

牛津小学英语六年级

UNIT 4 My Neighbourhood Lesson 31:I Need a Map!

[ti:UNIT 4 My Neighbourhood Lesson 31:I Need a Map!] [0:00.976]UNIT 4 第四单元 [0:02.759]My Neighbourhood 我周围的地区 [0:05.008]Lesson 31: 第31课： [0:07.299]I Need a Map! 我需要一张地图！ [0:09.463]October 23 10月23日 [0:11.9

发表于:2018-12-10 / 阅读(111) / 评论(0)

河北教育初中英语（初中起点）八年级上

EEC English 六年级下册7

Lesson 7 A Letter from Jenny第七课 JENNY的一封信 [00:15.48]Let's Join the Chant! [00:21.31]Listen and chant along. [00:23.99]Mail, mail! Is there any mail for me?有我的邮件吗？ [00:35.44]Yes, yes! There is a letter from Jenny.有一封J

发表于:2018-12-13 / 阅读(177) / 评论(0)

EEC小学英语六年级

UNIT 3 Having Fun in Beijing Lesson 20

[ti:UNIT 3 Having Fun in Beijing Lesson 20] [0:01.721]UNIT 3 [0:04.162]Having Fun in Beijing [0:07.683]Lesson 20: [0:10.404]Let's Write Home [0:14.107]Li Ming's letter 李明的信 [0:17.157]Thursday, February 4th 星期四，2月4日 [0:20.000]Dear

发表于:2018-12-13 / 阅读(126) / 评论(0)

河北教育初中英语（初中起点）七年级下册

高中必背单词词组（北师大版）11

Unit 31 单词 1.airy 2.spacious 3.outfit 4.manly 5.fabric 6.individuality 7.reflect 8.reflective 9.underneath 10.obscene 11.abuse 12.conscious 13.biographical 14.corrupt 15.tactical 16.plateau 17.heroic 18.rotten 19.superhuman 20.labour 21.distill 2

发表于:2018-12-13 / 阅读(204) / 评论(0)

北师大高中英语模块一讲解

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科学家研究艾滋病疫苗取得新进展 In 2009, a study in Thailand proved for the first time that an AIDS vaccine was possible. But scientists were not sure why it offered some protection. Now they have some clues. 2009年，在泰国所做的一

发表于:2018-12-19 / 阅读(186) / 评论(0)

VOA双语新闻 2012年4月

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讲解文本： stick together 在一起，团结一致，互相支持 stick 棍，棒，黏住 They stuck together in hard times. 在那些艰苦的岁月，他们互相支持，同舟共济。疯狂练习吧！

发表于:2018-12-27 / 阅读(60) / 评论(0)

愉悦口语

国家地理-2008-07-12 Lie Detector 测谎仪的奥秘

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(176) / 评论(0)

国家地理2008年

'One Thousand Dollars,' by O. Henry

One thousand dollars, said the lawyer Tolman, in a severe and serious voice. And here is the money. Young Gillian touched the thin package of $50 bills and laughed. It's such an unusual amount, he explained kindly to the lawyer. If it had been $10,00

发表于:2019-01-03 / 阅读(318) / 评论(0)

2018年VOA慢速英语(二)月

“理发”英语知多少？

女士： 1.I'd like my hair a little bouncy. 我想我的头发有点弹性。 2.I'd like to get a new perm. 我想重新烫一下。 3.I prefer the shoulder length style. 我喜欢齐肩式。 4.Leave the fringe as it is. 刘海别动。 5.I like t

发表于:2019-01-11 / 阅读(61) / 评论(0)

英语口语

欧亨利短篇小说《一千美元》

＂One Thousand Dollars,＂ by O. Henry 欧亨利短篇小说《一千美元》 Our story today is called One Thousand Dollars. It was written by O. Henry. Here is Steve Ember with the story. One thousand dollars, said the lawyer Tolman, in a severe

发表于:2019-01-12 / 阅读(170) / 评论(0)

2015年VOA慢速英语(十二)月

英语听力：自然百科 Lie Detector 测谎仪的奥秘

发表于:2019-01-22 / 阅读(108) / 评论(0)

自然百科2008年

幽默笑话两则（双语）

第一则：聪明的儿子 One day, the father lets eight-year-old son send a letter. The son took the letter. The father then remembered he didn't write address and addressee's name on the envelope. After the son comes back, the father asks him: Yo

发表于:2019-01-30 / 阅读(60) / 评论(0)

阅读空间

英文信封的写法

Chapter 1 Unit 4 The envelope 信封的写法 1.寄件人地址（你的地址）如果你的地址没有预先印在信封上，那就把它打在信封的左上角。尽量不要手写，先打姓名和头衔，然后是公司的地址。地址当中

发表于:2019-02-01 / 阅读(54) / 评论(0)

实用英语

国家严打微信红包赌局

The investigation began after police in the city of Taizhou of Zhejiang started getting complaints from people who say they were losing hundreds of yuan a day through a Wechat group. Li Kangcheng, vice director of a local police station in the area,

发表于:2019-02-06 / 阅读(55) / 评论(0)

英语新闻

Greek FinMin receives bullet in envelope

ATHENS, Feb. 4 (Xinhua) -- Greek Finance Minister Yannis Stournaras received a bullet in the post, Greek media reported on Monday. Stournaras' aides alerted security forces, when they opened the envelope at his office and discovered the enclosed bull

发表于:2019-02-06 / 阅读(109) / 评论(0)

英语新闻

My Roommate

My roommate was interested in a young man in her English-literature class, but she was too shy to let him know. One day she overheard him say he was on his way to the library for a certain book. She rushed to the library, found the book and stuck in

发表于:2019-02-07 / 阅读(75) / 评论(0)

趣味英语

英语笑话听力+文本：Come in an envelope 坐信封过来

[00:14.92]Come in an envelope 坐信封过来 [00:26.92]词汇扫描 [00:30.99]torrential [t?'ren??l] 湍急的 [00:34.00]rainstorms ['reinst?:m] 特别猛烈的暴雨 [00:39.08]representative [?repri'zent?tiv] 代表 [00:43.05]weary ['wi?ri] 心焦

发表于:2019-02-15 / 阅读(90) / 评论(0)

英语笑话（MP3+文本）

英语小达人 279 A Letter from Mom

A Letter from Mom 妈妈写来的信 Dear Son, 亲爱的儿子 I'm writing this slow 'cause I know you can't read fast. We don't live where we did when you first left. Your Dad read in the paper that most accidents happen within 20 miles of home, so

发表于:2019-02-17 / 阅读(72) / 评论(0)

英语小达人

新鲜英语早知道第7期:听说羊年都是从抢红包开始的

red envelope 红包 hand out red envelopes 发红包 lucky money 压岁钱

发表于:2019-02-26 / 阅读(131) / 评论(0)

新鲜英语早知道

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