单词：high-tension mercury lamp ballast
单词：high-tension mercury lamp ballast 相关文章
Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.
海事英语
Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a
2009年NPR美国国家公共电台7月
The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
彭蒙惠英语
ballast, ['bləst] n 压舱物（放在船舱或热气球吊篮里的重物，以增加稳定性）；（性格上的）稳定因素 【记】ball球，last最后－最后的球－船最底层放了好多球－压舱物 【类】ballast:instability＝
不择手段背单词
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 idiosyncrasy [ 7idiE5siNkrEsi ] One of
每日攻克5词
X-Ray Technology Helps Recover Lost 19th-Century Images The worlds very first photographs were taken in the 1830s. Scientists now say they have found a way to recover lost images made from the very first photographic process. The new method uses X-ra
2018年VOA慢速英语(七)月
EDUCATION REPORT - Ideas for Teaching Young Children By Jerilyn Watson Broadcast: Thursday, January 29, 2004 This is Steve Ember with the VOA Special English Education Report. Experts say students are
教育与新闻
EDUCATION REPORT - Summer School in the U.S. By Nancy Steinbach Broadcast: Thursday, July 22, 2004 This is Steve Ember with the VOA Special English Education Report. Recently we discussed the idea of
教育与新闻
HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con
健康与环境
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ， 您将会获得10到30积分的奖励! Thank you！
美联社新闻一分钟2007
SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B
科技之光
The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying
英语新闻
The U.S. space probe MESSENGER is poised to enter orbit around Mercury（水银） early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting
英语新闻
By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
VOA常速英语2008年（二月）
Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by
自然百科2012年
Plants were world travelers, long before tourists like you and me, were able to fly off to vacation around the world. When Columbus sailed west, he was seeking precious spices of the Indies. He missed his original destination, but because he and othe
英语听力文摘 English Digest
heavyweight 重量级的，有影响力的人 We need some heavyweight partners. 我们需要一些重量级的合作伙伴。 He is a heavyweight in the IT business. 他是IT界的重量级人物。
愉悦口语
The Nautilus is made up of two hulls, one inside the other; between them, joining them together, are iron T-bars that give this ship the utmost rigidity. 诺第留斯号由双层船壳造成， 一层是内壳，另一层是外壳，两壳之间，用许
《海底两万里》中英双语有声读物
That's all? 仅仅这个数目吗？ That's all, Professor Aronnax, and the calculation is easy to check. 仅仅这个数目，阿龙纳斯先生。并且，很容易用计算来证实。 Now then, I have supplementary ballast tanks capable of shippi
《海底两万里》中英双语有声读物