音标：['paiәrәudʒin] ；

n. 致热质, 发热原
[医] 热原, 致热物

n. any substance characterized by its great flammability
n. any substance that can cause a rise in body temperature

词型变化：名词复数形式 : pyrogens

pyrogen的用法和样例：

例句

用作名词(n.)

Conclusion The impurity in baicalin is the material that causes the pyrogen.结论引起热原反应的物质是黄芩苷中的杂质。
Hartung's alternative pyrogen assay is licensed by a nonprofit group to Charles River Laboratories in Massachusetts.他所开发来替代热原检验的方法，由非营利团体授权美国麻州的查尔斯河实验室使用。

词汇搭配

bacterial pyrogen细菌性致热原...
exogenous pyrogen外原性致热原...

【近义词】

pyrectic致热的

美国国家公共电台 NPR In 'Disaster Artist,' James Franco And Seth Rogen Honor A Hilariously Bad Cult Hit

DAVID GREENE, HOST: In 2003, an obscure, independent film called The Room opened in movie theaters here in LA. It was intended to be a serious melodrama about friendship, love, betrayal. Instead, it was shockingly bad - a baffling storyline, uncomfor

发表于:2018-12-02 / 阅读(98) / 评论(0)

2017年NPR美国国家公共电台11月

牛津阅读树ORT-典范英语MP3下载 Phonics2 86 Poor Floypy

图片1 图片2 图片3 图片4 图片5 图片6

发表于:2018-12-10 / 阅读(93) / 评论(0)

牛津阅读树ORTMP3（1-11级）

I AM HAPPY

DIALOG 21 laurance--You look happy today! soony--I am happy.I just heard I passed my physics exam laurance--Congratulations!I'm glad somebody's happy. soony--Why?What's the matter? laurance--Oh,I'm ju

发表于:2018-12-26 / 阅读(68) / 评论(0)

英语经典听力对话

AMERICAN MOSAIC - Museum Show About Women Spies / Re-creatin

AMERICAN MOSAIC -April 26, 2002: Museum Show About Women Spies / Re -creating Lindbergh's Famous Flight / A Song About a Train american-mosaic-02-04-26 (MP3) america-mosaic-02-04-26 (RealAudio) HOST:

发表于:2019-01-04 / 阅读(126) / 评论(0)

American Mosaic

THIS IS AMERICA - Women Spies

THIS IS AMERICA -June 24, 2002: Women Spies By Jerilyn Watson VOICE ONE: Throughout American history, women have aided the United States and its allies by spying. A show organized by the National Wome

发表于:2019-01-07 / 阅读(143) / 评论(0)

This is America

Philanthropy

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer and Alice has joined me for today's 6 Minute English. Hello, Alice! Alice: Hello, Yvonne. Yvonne: Of course, the world news is often about the financial crisis, so I thought

发表于:2019-01-07 / 阅读(125) / 评论(0)

六分钟英语

Grumpy Londoners

BBC Learning English London Life Grumpy Londoners Jackie: Hello, welcome to London Life with BBC Learning English and me, Jackie Dalton. Growling pussycat Jackie: Do you ever feel a bit like this in the morning? Well you're not the only one and it's

发表于:2019-01-16 / 阅读(104) / 评论(0)

伦敦生活

美国国家公共电台 NPR 'The Disaster Artist' Is The Best Movie About A Bad Movie

ROBERT SIEGEL, HOST: What is the worst movie you have ever seen? Well, many people might point to Tommy Wiseau's The Room, a romantic drama so ineptly made it has been called the Citizen Kane of bad movies. The Room has inspired a cult following, a v

发表于:2019-01-16 / 阅读(100) / 评论(0)

2017年NPR美国国家公共电台12月

英闻天下——60 Jason Pym: New Dali Citizens

I'd love it if you call me an artist, but I am not quite there yet. But that's what I want to do. This is Jason Pym, a Brit who has been pursuing his dream of being an artist in China for 12 years. He and his wife also own a 60-square-meter caf in th

发表于:2019-01-19 / 阅读(92) / 评论(0)

英闻天下

PBS高端访谈:独立院线联盟提出播映电影《刺杀金正恩》

Less than a week ago, Sony indicated that, under pressure of threats, the moviegoing public wasn't going to be able to see the comedy The Interview at a theater today. But that decision hit quickly on a trip wire of criticisms about geopolitics, free

发表于:2019-01-27 / 阅读(118) / 评论(0)

PBS访谈商业系列

粉红猪小妹第三季MP3 39 - Grampy Rabbit's Boatyard

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(94) / 评论(0)

粉红猪小妹第三季

粉红猪小妹第三季MP3 36 - Grampy Rabbit's Lighthouse

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11

发表于:2019-01-27 / 阅读(104) / 评论(0)

粉红猪小妹第三季

2007年VOA标准英语-Estrogen-Only Hormone Therapy Approved for Meno

By Melinda Smith Washington 04 April 2007 Many women who go through menopause experience the side effects of 'hot flashes', characterised by flushing or perspiration, or waking up in a sweat at night. For years, doctors recommended hormone therapy c

发表于:2019-01-30 / 阅读(242) / 评论(0)

2007年VOA标准英语（四月）

Hoppy the Kangaroo

Hoppy the little kangaroo was out for a walk with his mother．Mummy，I'm cold，he said suddenly．Then you must jump into my pouch at once，said his mother．Where is Hoppy？asked everyone when they got back home．He felt cold．He's gone insid

发表于:2019-01-30 / 阅读(96) / 评论(0)

趣味英语

Gene Therapy to Treat Hemophilia

64 基因疗法治疗血友病疗效有限 DATE=6-28-01 TITLE=SCIENCE REPORT - Gene Therapy to Treat Hemophilia BYLINE=Nancy Steinbach (Start at 01'02

发表于:2019-01-30 / 阅读(95) / 评论(0)

科技之光

EXPLORATIONS - International Spy Museum

EXPLORATIONS -August 7, 2002: International Spy Museum VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a mu

发表于:2019-01-30 / 阅读(91) / 评论(0)

Explorations

DEVELOPMENT REPORT - Plumpy'nut Aids Fight Against Hunger

DEVELOPMENT REPORT - Plumpy'nut Aids Fight Against Hunger By Jill Moss Broadcast: Monday, April 25, 2005 I'm Gwen Outen with the VOA Special English Development Report. Nutriset is a food company in F

发表于:2019-01-30 / 阅读(126) / 评论(0)

农业与发展

学个词Learn a Word 第437期 Grumpy

今天我们要学的词是grumpy。 Grumpy, 是坏脾气的，生气的。A grumpy old man, 就是坏脾气的老头。He didn't get much sleep last night and is feeling a bit grumpy this morning, 他昨天晚上没怎么睡，早上起来情绪很差

发表于:2019-02-02 / 阅读(71) / 评论(0)

英语单词荟萃

十点人生处世哲学（中英对照）

One in this world there are two things we can not do： First， hurry， and second， to stop and see if they have a good mentality． A good state of mind is that people a good partner in life， people pleasure and health． Insights on life： Y

发表于:2019-02-05 / 阅读(70) / 评论(0)

阅读空间

学个词Learn a Word 第734期 Bumpy

今天我们要学的词是bumpy。 Bumpy颠簸的，困难重重的。美国全国企业经济学家协会的一项最新调查发现，More than 90 percent of economists predict the recession will end this year, although the recovery is likely to b

发表于:2019-02-07 / 阅读(50) / 评论(0)

英语单词荟萃

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

4-h club emblem

air wall ionization chamber

alcaria do cume

alternating electric wave