un. 有氧化铜的测量仪表
[网络] 氧化铜仪表

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(132) / 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(128) / 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(84) / 评论(0)

VOA2004（下）--雅典奥运

Additive Problems in Lime-preserved Eggs

A new round of food safety checks is underway in China after reports emerged suggesting a number of egg-processing plants have been using potentially-toxic copper sulphate to help pickle lime-preserved duck eggs. CRI's Li Dong has more details. Gener

发表于:2018-12-19 / 阅读(62) / 评论(0)

世界各地新闻集锦

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(84) / 评论(0)

出国旅游口语一本通

【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(76) / 评论(0)

突破英文词汇

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(233) / 评论(0)

知性英语

VOA慢速英语 2007 1113b

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(132) / 评论(0)

VOA慢速英语2007年（十一）月

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(103) / 评论(0)

英文语法词汇

TED演讲:怎样选择适合你的防晒霜(1)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种，每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(98) / 评论(0)

TED演讲教育篇

美国科学60秒 SSS 2013-07-15

It's boating season, which means it'll soon be time for that annoying ritual, the scraping of the barnacle. They latch on tight and don't let go. Barnacles can be a major pain. As they grow they build up calcium deposits under a boat's paint. And the

发表于:2019-01-20 / 阅读(51) / 评论(0)

Scientific American(七)月

研究人员开发新技术应对雾霾

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(135) / 评论(0)

英语新闻

Environment Report Reveals Serious Pollution in China

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(195) / 评论(0)

世界各地新闻集锦

用电脑的人必看的商务英语-1

电脑英语--常见硬件篇CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只

发表于:2019-02-15 / 阅读(87) / 评论(0)

天天商务口语

关于电脑英语缩略词大盘点

重要电脑英语及其缩写 CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，

发表于:2019-02-16 / 阅读(57) / 评论(0)

实用英语

WHO: Diesel Exhaust Causes Cancer

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(77) / 评论(0)

英语新闻

常见硬件名和设备名中英对照

CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只读存储器。 EDO：Ext

发表于:2019-02-21 / 阅读(54) / 评论(0)

实用英语

英语听力文摘 English Digest 324、可乐的神奇清洁能力

The Cleaning Power of Soft Drinks! 饮料的神奇清洁能力 Lets begin with a cleaning tip: If you have some tarnished or corroded brass that you want to clean, an old brass candlestick for example, you can use Coca-Cola, or any other cola soft dr

发表于:2019-02-24 / 阅读(57) / 评论(0)

英语听力文摘 English Digest

万物简史第382期:浩瀚的海洋(1)

18 The Bounding Main 第十八章浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下，你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(120) / 评论(0)

万物简史

【大学生活】使用停车计时器-Using a Parking Meter

发表于:2019-02-27 / 阅读(114) / 评论(0)

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alkaline extracts of soils