| 斯里兰卡国际珠宝展 星光蓝宝石贵气亮相(视频),爱思英语 | |
| 蓝宝石的矿物名称也叫刚玉，它是六方晶体，硬度9，比重3.97至4.08，折光率1.76至1.77,透明、半透明或不透明。它是氧化铝钛的结晶体，因含铁离子与钛离子而呈蓝色，按其颜色深浅浓艳的程度不同分为很多种，其中以洋蓝色为最好。最大的蓝宝石原石产于斯里兰卡。Sri Lankan jewels are making their presence felt on http://www.24en.com/p/261577.html | |
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| 你今天心情不好么？The Blue Day Book:本文由作文地带整理分享，希望各位网友喜欢。
Everybody has blue days.每个人都有忧郁的日子。
These are miserable days when you feel lousy, grumpy, lonely, and utterly exhausted.那些日子真是惨透了，你觉得... http://www.joozone.com/gaokao/803477.html | |
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| 英语题目：交流方式的改变:题目：交流方式的改变For this part, you are allowed 30 minutes to write an essay on the change in the way of communication. You should write at least 120 words but no more than 180 words.在这一部分，你... http://www.joozone.com/cet4/803514.html | |
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| 关于友谊的英语作文 Friendship:关于友谊的英语作文In our daily life, if we get on harmoniously with our friends, we’ll feel more joyous. But we’ll feel lonely without friends.When our friends feel upset or get ill, we shouldn’t i... http://www.joozone.com/zhongkao/803516.html | |
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| 六级英语作文写作套用句型:六级英语作文写作套用句型1、Thank you very much for…2、I would like to apply the vacancy of…3、I am writing this letter to submit my application for…4、In reply to your advertisement in …, I beg to... http://www.joozone.com/cet6/803543.html | |
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| 创新的重要性英语作文带翻译:创新的重要性In the past,people tend to keep on the rail. No matter who doesn't follow the rules, he would be criticized by the public opinion.过去，人们遵循一个方式，不管谁不按规则来办事，那么他将... http://www.joozone.com/cet6/803542.html | |
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| lead疲乏的英语怎么说:本文由作文地带整理分享，希望各位网友喜欢。"Lead fatigue" in English refers to the condition of feeling tired or exhausted as a result of being exposed to lead or working with lead-based materials. L... http://www.joozone.com/yhfy/803412.html | |
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