金刚钻石角锥硬度

Diamond

Diamond “I love this woman!”----There’s a better way to do it, says the ad: Give her a diamond, or a 1) bunch of them, and she’ll love you back. Which makes me ask, “Why a diamond?” Why no

发表于:2018-11-28 / 阅读(128) / 评论(0)

疯狂英语2003年

Diamonds

Lesson Six Text A Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond

发表于:2018-12-01 / 阅读(82) / 评论(0)

自考英语（一）78讲

国家地理:Blood Diamond: Africa 血钻

There's a disturbing side to the diamond trade--- the traffic of conflict diamonds, otherwise known as blood diamonds. This is Freetown, the capital of Sierra Leone on the West African coast, a country still emerging from ten years of war. During tha

发表于:2018-12-05 / 阅读(65) / 评论(0)

国家地理2007年

机械类词汇大全-28

1135 、晶体点阵；晶体格构；晶格 crystallattice 1136 、棘轮和爪 ratchetandpawl 1137 、棘齿 ratchet 1138 、棘齿弓钻 ratchetbrace 1139 、壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(75) / 评论(0)

英文名句短语

VOA常速英语2007年-Congo's Diamond Industry Let Back Into Kimberly

By Selah Hennessy Dakar 09 November 2007 The Republic of Congo has rejoined the Kimberly Process, a global watchdog group designed to stop the flow of conflict diamonds. Analysts say the move shows controls on the diamond trade in the country are imp

发表于:2019-01-07 / 阅读(43) / 评论(0)

VOA常速英语2007年（十一月）

英语歌曲:送你一颗大钻戒 Chipmunk - Diamond Rings

送你一颗大钻戒 Chipmunk - Diamond Rings I ryhme ryhme, thats why I shine shine, and you can roll anyone of my shows, no lights in my bag no eye sight I gotta keep on ryhmin' man, so i keep on shinin man I aint gonna be a one hit wonder, I am f

发表于:2019-02-06 / 阅读(61) / 评论(0)

好听的英文歌曲

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学英语单词

Aaseda

active energy meter

adalat

address correction requested

Ammivin

anisotropic permeability

Anthocerotaceae

asset reduction account

astern exhaust chest sprayer

asymmetric polyphase current

automatic logon