音标：['pipәrәnæl] ；

n. [化]胡椒醛, 洋茉莉醛( 亦作piperonyl aldehyde)

n. A white crystalline substance obtained by oxidation of
piperic acid, and regarded as a complex aldehyde.

纯正英语一分钟-Pronunciation

Pronunciation is a funny thing. What pronunciation do you study? In England there are a hundred different accents but textbooks only teach one. What use is that? Actually, English teaching textbooks are pretty bad at teaching pronunciation. Look how

发表于:2018-12-26 / 阅读(382) / 评论(0)

纯正英语一分钟

哈利波特与魔法石18-Harry meets Ron Weasley

发表于:2018-12-31 / 阅读(514) / 评论(0)

哈利波特与魔法石

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简单慢速英语阅读

英语诗歌:From The Frontier Of Writing

Seamus Heaney The tightness and the nilness round that space when the car stops in the road, the troops inspect its make and number and, as one bends his face towards your window, you catch sight of more on a hill beyond, eyeing with intent down cra

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英语诗歌

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by Mignon Fogarty I have been deluged with questions about how to pronounce the name of the year. The two main contenders are twenty-ten and two thousand ten. Before the turn of the century, most people pronounced the years by chunking the first two

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我是一名数学家，并且我希望站在你们的屋顶上。当Ron Eglash遇到许多非洲家庭时，他总是这样介绍。当时，他正在研究非洲的村落中随处可见的分形图案。

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TED公开课:百字不如一数字

The Final Frontier

BBC Learning English People and Places The Final Frontier Callum:Hello, Im Callum Robertson and this is People and Places. Today Im going to be talking about the actor James Doohan. James Doohan was most well known as the engineer Scotty in the icon

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人与地方

英语俚语精解:白日梦 Pipe dream

白日梦 Pipe dream 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip

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英语口语

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A: I have a problem that needs fixing immediately. B: What is it? A: I think that a pipe broke in my ceiling. B: How do you know? A: The ceiling is wet and water is dripping onto my carpet. B: Your apartment isnt flooded, is it? A: Not yet, but my ca

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地道英语对话-租房

地道英语对话：Calling the Landlord to Report a Leak(1)

A: I have a problem. B: Whats the problem? A: A pipe burst in my ceiling. B: Why do you think that? A: There is water dripping from my ceiling. B: Is it causing a flood in your apartment? A: No, but my carpet is getting wet. B: How long has this wate

发表于:2019-01-20 / 阅读(368) / 评论(0)

地道英语对话-租房

地道英语对话：Calling the Landlord to Report a Leak(2)

A: Im calling about a problem with my apartment. B: Tell me what the problem is. A: There must be a leaking pipe in my ceiling. B: Are you sure? A: There is water leaking from my ceiling. B: Is the water flooding your apartment? A: Its not flooding,

发表于:2019-01-20 / 阅读(374) / 评论(0)

地道英语对话-租房

购物英语会话-Talking to Someone about a Sweater(4)

A: Hi, do you know a place that sells cheap cashmere sweaters? B: An outlet carries cheap cashmere sweaters. A: That's a good idea! B: I've always had good luck at outlets. A: Thank you for the suggestion. B: I hope you find a nice sweater.

发表于:2019-01-20 / 阅读(371) / 评论(0)

购物英语对话

购物英语会话-Talking to Someone about a Sweater(5)

A: Hello, I'm looking for a shop that sells inexpensive cashmere sweaters. B: Have you tried an outlet? A: Why didn't I think of that? B: Many of my friends shop at outlets. A: Thanks. That is a good suggestion. B: I'm only too happy to help.

发表于:2019-01-20 / 阅读(364) / 评论(0)

购物英语对话

购物英语会话-Talking to Someone about a Sweater(2)

A: Hi, where can I find a cheap cashmere sweater? B: How about an outlet? A: Great idea! B: Outlets give good deals. A: Thank you so much. B: You're welcome.

发表于:2019-01-20 / 阅读(337) / 评论(0)

购物英语对话

购物英语会话-Talking to Someone about a Sweater(1)

A: Hello, where can I buy an inexpensive cashmere sweater? B: Maybe you should look around for an outlet. A: That is a wonderful idea. B: Outlets have more reasonable prices. A: Thank you for your help. B: No problem. Good luck.

发表于:2019-01-20 / 阅读(319) / 评论(0)

购物英语对话

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Champions [verse 1] moment of silence for the champions for those who make going hard a lifestyle never wait for nothing got to get it right now i'm in the spotlight when they turn the lights down only the champs go the hardest in the 12th round i lo

发表于:2019-02-03 / 阅读(394) / 评论(0)

好听的英文歌曲

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发表于:2019-02-03 / 阅读(447) / 评论(0)

流行英文歌曲

Pipe dream: 白日梦

Pipe dream: 白日梦知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi

发表于:2019-02-03 / 阅读(446) / 评论(0)

英语口语

CCTV9英语新闻：Pipe roofing completes in Gongbei tunnel

A key stage in the construction of Gongbei tunnel, which will connect south China's Zhuhai city with Macau, has been completed. Pipe roofing has now been installed to reinforce the tunnel, in one of the largest construction projects in China. The Gon

发表于:2019-02-13 / 阅读(437) / 评论(0)

cctv9英语新闻2015年

Veron to play in Argentina's fifth division

BUENOS AIRES, Dec. 7 (Xinhua) -- Former Manchester United and Argentina midfielder Juan Sebastian Veron has confirmed he will play in Argentina's fifth division next year. The 37-year-old ended his career with top-flight side Estudiantes in June but

发表于:2019-02-13 / 阅读(564) / 评论(0)

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学英语单词

annual maximum hourly traffic volume

Antennarioidei

aprilias

asaperda meridiana

Asset-Backed Commercial Paper

atrioventricular septum

backward-sloping letter