单词：tert-butyl ethyl ether
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Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! 汪培珽分级书单（MP3+绘本） 新概念英语动画（合集）
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今天我们要学的词是boost。 Boost, 是推动的意思。增加信心可以说, a boost for ones' confidence. 提高士气可以说, a boost to morale. 美国联邦储备委员会星期二决定将短期利率下调半个百分点，推动了金
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LESSON 20 第20课 divided 分 quarrel 争吵 agree 同意 thus 因此 settle 解决 settling 沉降 kernel 核心 equal 平等 apt 易于 parts 零件 THE QUARREL 争 吵 Under a great tree in the woods, two boys saw a fine, large nut, and both ran
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【英文原文】 Sometimes the biggest finds are the smallest finds. Researchers examining a segment of siltstone taken from ground along the Beardmore glacier in Antarctica found something unexpected. They found a fly. Well, not exactly a fly. The
英语听力广播—Listening
Whats a Fly Doing in Antarctica ? 南极有苍蝇？ Sometimes the biggest finds are the smallest finds. Researchers examining a segment of siltstone taken from ground along the Beardmore glacier in Antarctica found something unexpected. They found a
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80年代初的南加州，还在学校念书的 Bryan Holland 和 Greg Kriesel 经常去 Orange 郡的环球俱乐部观看摇滚表演，终于有一天他们决定成立一支名为 Manic Subsidal 的乐队，当时乐队另外两名成员是主音吉
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