音标：['ɪnsjʊleɪtəz] ；

n. 绝缘、隔热或隔音等的物质或装置( insulator的复数形式 )

n. a material such as glass or porcelain with negligible electrical or thermal conductivity

SSS 2009-05-27

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(225) / 评论(0)

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Introduction of product of the same sort 同类产品介绍 Strange looking handle on that coffee mug,isn't it? 那个咖啡杯的握把看起来很奇怪，不是吗? We submitted two designs to our buyers. This one and one with the mug indented to

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外贸英语话题王

60秒科学:Rice for Nice, Low-Price Ice

The fridge is one of your homes biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use. Enter

发表于:2019-01-30 / 阅读(229) / 评论(0)

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AL says south Sudan referendum highly transparent

KHARTOUM, Jan. 17 (Xinhua) -- The Arab League (AL)（阿拉伯联盟） Mission for monitoring south Sudan referendum（公民投票权） on Monday said that the polling process was characterized by high transparency and integrity with international

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