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Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚...
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adj.最下面的...
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n.倾泻( cascade的名词复数 )，小瀑布（尤指一连串瀑布中的一支），瀑布状物，倾泻（或涌出）的东西v.流注( cascade的第三人称单数 )，大量落下，大量垂悬...
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在离子固体中的阳离子-空位对和阳离子-间隙原子对.In an ionic solid, a cation – vacancy and cation – interstitial pair....
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granulates的音标：...
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n.（食物）的一份，帮助，支持v.帮助( help的现在分词 )，有助于，有利于，治疗，避免...
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The field were so close that they would have caught us if I hadn't begun the sprint.其他参赛选手紧随身后，如果不是我开始冲刺，他们就会赶上我们了。She'd been caught from behind and hadn't a prayer of freeing herself.有人从后面抓住她，她不可能脱身。We ha...
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“开沟”的拼音为：kāi gōu...
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The leading player is ill. Let his understudy to appear on the scene.主角演员病了, 让他的替角出场.The understudy was substituted when the leading actor fell ill.主角演员患病,由替角代替演出.The understudy is substituted when the leading actor fall...
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窗户通常是封闭的。Windows are usually sealed off.他们接触的事不多，从这一方面来说这是个封闭的社团。It is a closed society in the sense that they've not been exposed to many things.宇宙究竟是开放的,还是封闭的?Is the universe open or closed?...
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“奇臭”的英语可以翻译为：cacosmia，kakosmia ...
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“工程”的英语可以翻译为：engineering，project，programme，work ...
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“幸运地”的英语可以翻译为：fortunately，luckily ...
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arthrotrauma的音标：arthrotrauma的英式发音音标为：[ɑ:θ'rəʊtrɔ:mə]arthrotrauma的美式发音音标为：[ɑθ'roʊtrɔmə]...