极高黏度指数

pole height viscosity index的用法和样例：

例句

Two kinds of product standards of OCP viscosity index improver constituted separately by SINOPEC and PetroChina in different ages are compared.对中国石化和中国石油两大集团公司在不同时代所制定的两个乙丙共聚物粘度指数改进剂产品标准做了比较说明。

Women's Pole Vault Provides Stirring Drama at Olympics

By Parke Brewer The women's pole vault provided one of the stirring dramas of the 2004 Olympic track and field competition. Until the mid 1990s, women's pole vault was not taken very seriously, mainly

发表于:2018-12-12 / 阅读(128) / 评论(0)

VOA2004（下）--雅典奥运

TED演讲：舞者还是用PPT?(2)

Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子，并让其足够冷却，奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt

发表于:2018-12-19 / 阅读(107) / 评论(0)

TED演讲教育篇

SSS 2011-02-17

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(136) / 评论(0)

Scientific American(二)月

胡敏读故事记单词托福词汇232

232. A vocation for the vigorous 充满活力者的职业 vigor-vocational The vigor and vitality that one must possess to be a doctor is amazing. Perhaps many have the vision, but only the truly vigorous can handle such a vocation. Virtuosity is a m

发表于:2018-12-30 / 阅读(109) / 评论(0)

胡敏托福词汇记单词

专业术语—口腔生理学术语V(英文详解)

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(324) / 评论(0)

医务英语

科学美国人60秒 SSS 舌头之谜

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

发表于:2019-01-20 / 阅读(172) / 评论(0)

2017年Scientific American(三)月

润滑油行业英语词汇

A AAMA American Automobile Manufacturers Association 美国汽车制造商协会 ACEA Association des Constructers Europens dAutomobiles 欧洲汽车制造商协会 ACS American Chemical Society 美国化学学会 AFR Air/Fuel Ratio 空/燃比 AFV Alternative Fuel Vehicle 代用

发表于:2019-02-03 / 阅读(131) / 评论(0)

英文语法词汇

VOA慢速英语2012 Agriculture Report - Tomato's Genetic Secrets Are Peeled Away

Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh

发表于:2019-02-08 / 阅读(154) / 评论(0)

2012年VOA慢速英语(七)月

加州语文教材 G5 V5 North Pole, South Pole 02

图片1

发表于:2019-02-09 / 阅读(216) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 03

图片1

发表于:2019-02-09 / 阅读(247) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 04

图片1

发表于:2019-02-09 / 阅读(270) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 05

图片1

发表于:2019-02-09 / 阅读(265) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 06

图片1

发表于:2019-02-09 / 阅读(242) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 07

图片1

发表于:2019-02-09 / 阅读(273) / 评论(0)

加州语文教材California Treasures G5

加州语文教材 G5 V5 North Pole, South Pole 08

图片1

发表于:2019-02-09 / 阅读(266) / 评论(0)

加州语文教材California Treasures G5

托福听力高频词汇之地理环境

location--locate 地点 North Pole 北极 South Pole 南极 Antarctic 南极的 Arctic 北极的 globe 地球，地球仪 global 全球的 the Pacific Ocean 太平洋 the Atlantic Ocean 大西洋 the Arctic Ocean 北冰洋 Oceanica 大洋洲 continen

发表于:2019-02-13 / 阅读(113) / 评论(0)

托福英语

英语笑话听力+文本：Height, Not Length是高度,不是长度

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(171) / 评论(0)

英语笑话（MP3+文本）

被动语态的译法

被动语态的译法英语中被动语态的使用范围极为广泛, 尤其是在科技英语中, 被动语态几乎随处可见, 凡是在不必、不愿说出或不知道主动者的情况下均可使用被动语态,因此, 掌握被动语态的翻

发表于:2019-02-18 / 阅读(167) / 评论(0)

实用英语

英语角-圆桌会议 RoundTable1030 - 中国需要国服吗？

Topic1 Pension replacement rate lowChina is getting older year by year since 2000. As we enter an ageing society, do today's retirees have sufficient income to meet their needs? And will you and I have the appropriate pension to maintain our current

发表于:2019-02-22 / 阅读(123) / 评论(0)

英语角-圆桌会议

【英语时差8，16】看看自己是否超重？

BMI stands for Body Mass Index, and it's a way to estimate whether or not an adult is over or under weight for his or her height. No equipment is necessary. You can figure out your BMI at home with a calculator. You multiply your weight in pounds by

发表于:2019-02-23 / 阅读(142) / 评论(0)

英语时差8，16

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

Antarctic Convergence