[网络] 三氟一溴甲烷气体灭火装置

ENVIRONMENT REPORT - Less Gas from Farm Animals

ENVIRONMENT REPORT – May 24, 2002: Less Gas from Farm Animals By George Grow This is the VOA Special English Environment Report. Scientists in New Zealand have found a way to reduce methane gases re

发表于:2019-01-07 / 阅读(40) / 评论(0)

健康与环境

VOA慢速英语2012 SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica

SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr

发表于:2019-01-12 / 阅读(49) / 评论(0)

2012年VOA慢速英语(九)月

VOA标准英语2012--Technology Developed in Texas Expands Natural Gas Production

Technology Developed in Texas Expands Natural Gas Production LEAM Drilling Systems, in Conroe, Texas, runs its trucks on compressed natural gas, or CNG. LEAM Vice President Scott Bradley said cheap natural gas makes the company's 18 CNG trucks a good

发表于:2019-01-13 / 阅读(52) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2013--New Ways of Tracking Greenhouse Gas Emissions Developed

New Ways of Tracking Greenhouse Gas Emissions Developed With more than 18 million people living, working and driving in Los Angeles, the city often is covered in a hazy layer of smog. Stan Sander, senior research scientist at the U.S. space agency's

发表于:2019-01-14 / 阅读(54) / 评论(0)

VOA标准英语2013年(七月)

美国国家公共电台 NPR Large Methane Leaks Threaten Perception Of 'Clean' Natural Gas

SCOTT SIMON, HOST: A new study published in the journal Science finds methane emissions from U.S. oil and gas operations are 60 percent higher than previous estimates from the federal government. Now, this comes at a time when we're getting more and

发表于:2019-01-17 / 阅读(26) / 评论(0)

2018年NPR美国国家公共电台6月

人类在地幔中找燃料

人类在地幔中找燃料 DIGGING in dirt and rock is big business． If you dig deep enough， with luck， you will strike oil or gas， which are used as our main sources of fuel and energy．Until now， we have only explored the Earth's outer

发表于:2019-02-03 / 阅读(26) / 评论(0)

阅读空间

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

acetylspermidine

actual receipts

air swirl combustion chamber