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溴化反应较不易发生.Bromination takes place less readily.溴化烷可以这样形成.Alkyl bromides can be produced this way.溴化氢加成的最后一步,是负离子亲核试剂的附加.The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step...
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“世间”的反义词：阴间。...
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rename的现在完成时为：renamed...
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His criticisms of the president stirred up a hornet's nest.他对董事长的批评造成众愤难平.It is stirred with 10 % sodium carbonate solution ( 50 ml ) and then with water ( 50 ml ), after which It'solidifies.与10%碳酸钠溶液 ( 50毫升 ) ...
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for ever的音标：for ever的英式发音音标为：[fɔ: 'evə]for ever的美式发音音标为：[fɔr 'ɛvɚ]...
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He tightened a few slack screws.他旋紧了几只松动的螺丝。Stefano's grip tightened and his tone became colder.斯蒂芬诺的手抓得更紧了，语气也更冷了。His index finger tightened on the trigger but then relaxed again.他的食指扣住扳机, 然后又松开了。The cables tighten...
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sculptured的音标：sculptured的英式发音音标为：['skʌlptʃəd]sculptured的美式发音音标为：['skʌlptʃərd]...
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n.教义问答（手册）( catechism的名词复数 )，一系列提问...
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当伴星围绕着主星运转时, 它交替地朝着地球或背离地球运转.As a companion star orbits its primary , it alternately approaches and recedes from the Earth.逆戟鲸的伴星在冬天来到, 带着我们的救世主来到的消息.Comes the orca whale in winter, with the news of our Savior's com...
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A nicotine spray can help smokers quit the habit without putting on weight.尼古丁喷雾剂能够帮助吸烟者在不增加体重的同时戒烟。Under any circumstances, air - assisted spray can effectively cut down the drift droplets.在任何环境条件下, 风助技术都可以有效地减小雾滴的飘移.In...
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n.哥萨克人的酋长，（旧时）波兰军事指挥官...
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Interlanguage has the characteristics of being open , flexible and systematic.中介语具有开放性 、 活性和系统性等特征.As a unique language system, the interlanguage has its own features and development phases.作为一种独特的语言体系, 中介语有其自身特点和发展阶段.Th...
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电致蜕变，电子核蜕变，电蜕变...