二氯磺胺,二氯苯二磺胺,双氯磺酰胺

北师大版高中英语模块6--Unit 16 Stories Lesson1-2

[00:00.00]By 1748,arshaeologists had begun to uncover, [00:06.19]one of the most important archaeological sites [00:08.39]in the world. [00:10.18]They had started to uncover the ancient city [00:12.78]of Pompeii. [00:15.47]Pompeii is like a time caps

发表于:2018-12-13 / 阅读(180) / 评论(0)

北师大版高中英语模块6(选修)

美国国家公共电台 NPR Tiffany Is Known For Lamps And Stained Glass, But He Made Magical Mosaics, Too

ARI SHAPIRO, HOST: Tiffany Studios is known for its stained glass lampshades. But Louis Comfort Tiffany and his artisans did a lot more than that. One of the lesser-known aspects of their work is on display at the Corning Museum of Glass in western N

发表于:2018-12-17 / 阅读(32) / 评论(0)

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英语听力—环球英语 1460 Mosaics: Changing Haiti Piece by Piece

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 A group of children are busy in Jac

发表于:2018-12-19 / 阅读(30) / 评论(0)

环球英语 Spotlight

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(71) / 评论(0)

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全球首艘女性豪华游艇问世

You may have thought all superyachts were created equal. But according to one designer, there is a gap in the market for vessels targeted at the fairer sex. 也许你会觉得超级游艇的建造不分性别，但据一位设计师表示，市场上针

发表于:2019-02-11 / 阅读(46) / 评论(0)

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英语听力—环球英语 1101 Mosaics: Changing Haiti Piece by Piece

发表于:2019-03-04 / 阅读(81) / 评论(0)

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bicarbonate ion concentration

Bittern Lake

Bujeon