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The yields of other cyclic acetals were between 62.并在此条件下合成了多种环缩醛,收率62.Eight acetals ( Ketals ) were synthesized under the optimal conditions.在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.The hydroxyl groups can be changed into esters , ethe...
2026年03月08日
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“乙腈”的拼音为:...
2026年03月08日
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“牛舍”的英语可以翻译为:oxtall,cowhouse,cowshed ...
2026年03月08日
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At last dancing had become more than an extra and entertaining frill.舞蹈也终于不再是供消遣娱乐的附加装饰.She sewed a frill on the bottom of her skirt.她在裙摆下缝了条褶边.He pulled out his frill as far as his navel.他把他的皱边一直拉到肚脐上....
2026年03月08日
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自从大主教宣布退职后,人们纷纷打赌猜测几位继任人选。There have been various wagers on certain candidates since the Bishop announced his retirement.他的退职昨天刊载于公报上.His retirement was gazetted yesterday.在罗杰斯退职后,我们就未必能成为知己.It was unlikely that we shoul...
2026年03月08日
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她出神地看着小窗子外面的蓝色地平线。She stared dreamily out of the small window at the blue horizon.他把花放进蓝色阔口花瓶里。He put the flowers in a wide-mouthed blue vase.莉兹拿起蓝色信封,好奇地翻过来看。Liz picked up the blue envelope and turned it over curiously....
2026年03月08日
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cartoning的音标:cartoning的英式发音音标为:['kɑ:tənɪŋ]cartoning的美式发音音标为:['kɑtənɪŋ]...
2026年03月08日
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The cruise control switches are conventionally mounted on the steering colum.巡游控制开关按常规安装在转向杆上.The overdrive switch was on the steering column.超速挡的开关在转向杆上。There is also a new steering wheel with an energy absorbing rim to...
2026年03月08日
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inquire的现在完成时为:inquired...
2026年03月08日
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catering的音标:catering的英式发音音标为:['keɪtərɪŋ]catering的美式发音音标为:[]...
2026年03月08日
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island的第三人称单数(三单)为:islands...
2026年03月08日
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n.演员,模拟(名人等的)艺人...
2026年03月08日
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resume的复数形式为:resumes...
2026年03月08日
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n.发薪日...
2026年03月08日
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jimmy的现在完成时为:jimmied...
2026年03月08日