音标：[fәu'nɔ:tә^rɑ:f] ；

[物]声波记振仪, 声波振动记录[图表]

n. An instrument by means of which a sound can be made
to produce a visible trace or record of itself. It consists essentially
of a resonant vessel, usually of paraboloidal form, closed at one end
by a flexible membrane. A stylus attached to some point of the membrane
records the movements of the latter, as it vibrates, upon a moving
cylinder or plate.

儿童英语读物 The Spy in the Bleachers CHAPTER 9 The World Looks Orange

Violet and Benny hurried to their seats in the bleachers. They sat behind Emma once again. Hi, said Emma, turning around. Where are Henry and Jessie? Jessie is getting an autograph, said Benny. Im going to get one, too. Its fun to get autographs, sai

发表于:2018-12-06 / 阅读(84) / 评论(0)

122 The Spy in the Bleachers

听电影学英语-天气预报员 18

[00:06.14]Yeah. That's good. 嗯，那很好 [00:09.86]There are a great many of Robert's friends here, even in winter. 虽然时值严冬，还是有许多罗伯特的朋友赶来了 [00:15.58]l think it's because Robert was unusual. 我想这是因为

发表于:2018-12-07 / 阅读(113) / 评论(0)

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2016年VOA慢速英语(二)月

Identity Thieves’ New Ploy: Pharming

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彭蒙惠英语

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E: Guess who I saw yesterday? B: I don't know. Who? E: Avril Lavigen! B: the Canadian rock singer? But I heard you had a part-time job yesterday. How did you see her? E: yeah,I worked as temporary staff in her concert. Look, her poster, a CD... B: so

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和老外聊天地道口语

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英语八卦

【英语3级听力】音乐节-Music Festival

The music festival was today. He was ready to go. His favorite singer was performing. He packed his autograph book. He hoped to get close enough. He wanted his autograph. He was determined to get it. He left early to the music festival. He arrived in

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英语第3级听力-English Level 3

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拍马屁九句

任何人都喜欢听好话，你的老板当然也不会例外。下面的句子你可以在合适的时候说说看，不过由此产生的任何后果我们可不负责任。 It's really impressive

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美语听力 English Cafe 101

Topics: American cities: Honolulu fantasy sports camps, to freeze a bra, coupon versus voucher, illicit versus illegal Words: monarchy to annex to overthrow territory palace harbor fantasy to coach all-star autograph bra slumber party coupon voucher

发表于:2019-01-22 / 阅读(96) / 评论(0)

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发表于:2019-01-24 / 阅读(68) / 评论(0)

早安英文

Ganso could be out until 2013, says physio

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发表于:2019-02-06 / 阅读(153) / 评论(0)

英语新闻

我需要您的签名

I need your John Hancock.我需要您的签名. John Hancock是在The Declaration of Independence(美国独立宣言)上署名的独立战士中,将自己的名字签得又好又大的一个人.所以美国人常把Jogn Hancock当作signature(署名,签

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实用英语

美语听力 English Cafe 250

Topics: Comic-Con; Famous Americans: Houdini; I just versus I have just; suit versus match versus fit; levity Words: convention comic book animation autograph fan magician escape artist handcuffs to debunk supernatural medium sance to suit to match t

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美语听力 English Cafe

英语笑话听力+文本：你最想要的签名

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发表于:2019-02-22 / 阅读(74) / 评论(0)

英语笑话（MP3+文本）

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Topics: Famous Americans: Jesse Owens; National Science Foundation; plea versus appeal versus petition; somewhat versus somehow; Is that all? Words: track and field Jim Crow law segregation obstacle world record to boycott autograph ticker-tape parad

发表于:2019-02-23 / 阅读(68) / 评论(0)

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学英语单词

bring a charge of something against someone

burden costs