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用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯.The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature....
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The declaration was drafted by a committee chaired by Dr Robert Song.宣言由罗伯特·桑博士领导的委员会起草。He chaired the meeting in his proper person.他亲自主持这个会议.The winning team chaired their captain off the field.获胜的队扛着队长走出场地....
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wintertime的音标:wintertime的英式发音音标为:['wɪntətaɪm]wintertime的美式发音音标为:['wɪntərtaɪm]...
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n.削除者,修订者...
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n.敏捷,迅速,机敏...
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“罩袍”的英语可以翻译为:dust-robe,dust-gown,overall,vesture (长袍或外衣等),frock ...
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n.迂回,迂回的方法,委婉...
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“宏功能”的英语可以翻译为:macro,macroefficiency ...
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v.说俏皮话,说妙语( quip的现在分词 )...
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roofs的音标:...
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colorcast的第三人称单数(三单)为:colorcasts...
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在他短暂的一生里,他只出版过3卷薄薄的诗集。He published only three slim volumes of verse in his short life.他的最新诗集将由菲贝尔出版公司于5月出版。His latest book of poetry will be published by Faber in May.他认真地编辑了一本诗集.He edited a book of poetry carefully....
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“可除性”的拼音为:kě chú xìng...
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琼斯有10年没吹小号了。Jones hasn't touched a trumpet in 10 years.阿尔夫在我们学校的管弦乐队吹小号.Alf played the trumpet in our school orchestra.鲁道夫急切地听着, 这音乐叫他大为倾倒,眼睛盯着那吹小号的黑人.Rudolph leaned forward intently, gloriously battered by the musi...