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38 Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to l

发表于:2018-12-08 / 阅读(320) / 评论(0) 分类 新概念优美背诵短文50篇

Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone

发表于:2018-12-15 / 阅读(157) / 评论(0) 分类 新东方背诵文选

Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light brown

发表于:2018-12-30 / 阅读(77) / 评论(0) 分类 考研背诵50篇

By Paul Burge London 05 May 2008 An exhibition is opening at the Imperial War Museum in London, marking the centenary of the birth of writer Ian Fleming, the man who created the world's most famous secret agent, James Bond. Paul Burge has the story o

发表于:2019-01-06 / 阅读(42) / 评论(0) 分类 VOA标准英语2008年(五月)

The script of this programme 本节目台词 Lily arrives at the museum to interview Terry Charman Lily: Hello, I'm Lily. Welcome to On the Town from BBC Learning English. Sun: 我是孙辰。今天的城市掠影节目我们要向大家介绍的是英国著名的战争博物馆。 Lily:

发表于:2019-01-18 / 阅读(125) / 评论(0) 分类 都市掠影

Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light

发表于:2019-02-25 / 阅读(58) / 评论(0) 分类 双语有声阅读