音标：[pik'nɔmitә] ；

n. 比重计
[化] 比重瓶

n. A specific gravity bottle; a standard flask for
measuring and comparing the densities of liquids.

pycnometer的用法和样例：

例句

用作名词(n.)

The bicapillary pycnometer is a tool for accurate determination of density.双毛细管比重瓶是一种用于精确测量液体密度的仪器。

大学生活英语-Using a Parking Meter(2)

A: Whoa, I never saw a meter like this before; how do you use it? B: It's simple, once you do it a few times. Do you know how the old one worked? A: I never used a parking meter before. B: So we start out by deciding whether you will use cash or a cr

发表于:2018-11-30 / 阅读(261) / 评论(0)

英语情景对话-大学生活

大学生活英语-Using a Parking Meter(1)

A: Excuse me, could you help me figure out how to use this new parking meter? B: Sure, it was confusing for me also. Have you ever used a regular meter? A: Yes, I understood the old one. B: Well, on this one you can use coins or a debit or credit car

发表于:2018-11-30 / 阅读(305) / 评论(0)

英语情景对话-大学生活

Dominican Felix Sanchez Favored to Olympic 400-Meter Hurdles

By Parke Brewer For an athlete who had hoped to be a baseball player, Felix Sanchez is doing quite well. He had to turn to athletics after breaking his hand in an off-season wrestling match. The injur

发表于:2018-12-08 / 阅读(204) / 评论(0)

VOA2004（下）--雅典奥运

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(186) / 评论(0)

牛津阅读树ORTMP3（1-11级）

出国旅游口语一本通第26期:Something Wrong with the Meter

第26期:Something Wrong with the Meter Y:What's the fare，please? Y:请问车费是多少呢? X:Twenty dollars and sixty cents. X:20.60美元。 Y:What?You're overcharging me! Y:什么?你一定多收我的钱了! X:No way.Look.That's what the mete

发表于:2018-12-26 / 阅读(195) / 评论(0)

出国旅游口语一本通

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(150) / 评论(0)

英语经典听力对话

【突破英文词汇】meter, metr -- measure 度量

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(186) / 评论(0)

突破英文词汇

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(250) / 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(219) / 评论(0)

六分钟英语

英语新词:这些meter后缀单词你理解对了么?

英语新词:这些meter后缀单词你理解对了么? anemometer n. 风力计，[气象] 风速计。 audiometer n. [耳鼻喉] 听度计，听力表；测听计；音响测定器。 barometer n. [气象] 气压计；晴雨表；显示变化的事物

发表于:2019-01-14 / 阅读(215) / 评论(0)

英文语法词汇

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(183) / 评论(0)

英闻天下

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(194) / 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(186) / 评论(0)

粉红猪小妹第三季

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(192) / 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(197) / 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(200) / 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(225) / 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(168) / 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(159) / 评论(0)

阅读空间

【大学生活】使用停车计时器-Using a Parking Meter

发表于:2019-02-27 / 阅读(233) / 评论(0)

大学生活-College Life

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

a hair of the dog that bit one