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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....
2026年03月09日
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The fading reaction of DCB arsenazo with Cr 2 O 2 - 7 was studied.本文研究了DCB偶氮胂与Cr2O2-7的褪色反应.Cars were covered with clear-coat finish at the factory to protect the underlying paint from fading.工厂给汽车上了透明罩漆,以防底漆褪色。Hopes of a...
2026年03月09日
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二萜...
2026年03月09日
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The public never had faith in his ability to handle the job...公众从来不相信他有能力胜任这一职位。People had very few amusements to choose from. There was no radio, or television.人们几乎没有什么消遣可以选择。没有广播,也没有电视。Mark had for some time been makin...
2026年03月09日
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n.欧夹竹桃苷...
2026年03月09日
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“抓痕”的拼音为:zhuā hén...
2026年03月09日
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But she , with a pucker in her brows, was watching Rhett.可思嘉正蹙着眉头在看瑞德.You gotta pucker up your lips, like this . Hm.你必须撅起你的双唇, 就像这样.This waistcoat has a propensity to pucker up over the chest.这件背心的胸部常常要皱拢来....
2026年03月09日
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如果你是比利·克里斯托的影迷,你会喜爱这部影片。If you're a Billy Crystal fan, you'lllove this movie.在布里斯托尔附近的5号高速公路上,南行的车辆排成了绵延20英里的长龙。Southbound traffic tailed back for twenty miles on the M5 near Bristol.惠特比镇因为布拉姆·斯托克著名的吸血鬼故事而名传后世。...
2026年03月09日
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“拜托!”多特反驳道,“它们又便宜又管用。”"For heaven's sake!" Dot expostulated. "They're cheap and they're useful."“喂,我不知道你在说些什么,”拉索反驳道。"Hey, I don't know what you're talking about," Russo objected.他们认为求变的理由不容反驳。Th...
2026年03月09日
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Longfellow的音标:Longfellow的英式发音音标为:['lɔŋfeləu]Longfellow的美式发音音标为:['lɔŋˌfɛlo, 'lɑŋ-]...
2026年03月09日
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I am sitting on the cusp of middle age.我将步入中年。Mr Short's behaviour is only on the cusp of acceptability.肖特先生的行为勉强能接受。the cusp of a leaf叶尖...
2026年03月09日
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n.哈巴涅拉(古巴的一种舞曲,类似探戈),哈巴涅拉舞( habanera的名词复数 )...
2026年03月09日
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“时分”的英语可以翻译为:time division...
2026年03月09日
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“艺人”的英语可以翻译为:actor,artist,artisan,handicraftsman,[电影]The Entertaine...
2026年03月09日
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hairbreadth的音标:hairbreadth的英式发音音标为:['heəbredθ]hairbreadth的美式发音音标为:['herˌbredθ]...
2026年03月09日