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A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件....
2026年03月08日
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氯安眠酮...
2026年03月08日
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那座城市的街道肮脏不堪,弥漫着令人窒息的废气。The city's streets are filthy and choked with exhaust fumes.城市的一整片贫民区被炸为了平地。An entire poor section of town was bombed into oblivion.一团黑烟吹过城市的上空。A cloud of black smoke blew over the city....
2026年03月08日
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v.嬉戏,玩乐,自娱( disport的现在分词 )...
2026年03月08日
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I took the kids for a picnic in the park after school.放学后我带孩子们去公园野餐。They were tidying up the remains of their picnic.他们正在收拾野餐后剩下的东西。We punted up towards Grantchester and had a picnic in a meadow.我们乘坐平底长船溯河而上到格兰切斯特,在草地上举行...
2026年03月08日
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An allergic response was diagnosed and she received IV chlorphenamine and dexamethasone.她被诊断为过敏反应,并给予氯苯那敏和地塞米松静脉注射....
2026年03月08日
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n.绿蝇...
2026年03月08日
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sensible的近义词/同义词有:wise, sane, realistic, rational, intelligent, practical, bright, understanding, sane, practical, rational, expedient, realistic, understanding, intellectual, sensitive, bright, thinking, plausible, soun...
2026年03月08日
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n.暴乱( riot的名词复数 ),骚乱,极度丰富,非常有趣的人(或事)v.暴动,闹事( riot的第三人称单数 )...
2026年03月08日
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“环蝶呤”的英语可以翻译为:[医] cyclopterin ...
2026年03月08日
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钴铁...
2026年03月08日
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...
2026年03月08日
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“微焊”的英语可以翻译为:microbonding,microwelding ...
2026年03月08日
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“稀泥”的英语可以翻译为:sposh ...
2026年03月08日
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Engineers said that plutonium could begin seeping from the corroded sub.工程师说钚可能会开始从遭腐蚀的潜艇往外渗透。Dangerous emissions radiate from plutonium.危险的辐射物从钚放散出来.The plutonium also could be used, however, to make nuclear weapons.钚也可...
2026年03月08日