有机化合物的一类，是脂肪酸的结构式中除羟基时所余下的原子团，通式是R·CO-，也叫“酰基”，旧称“醯”（acyl）。 无机或有机含氧酸分子中去掉羟基（—OH）后剩余的基团，叫做酰。常见的有甲酰，乙酰，磺酰。
双语例句原声例句
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醛是一种含有甲酰组的有机化合物。
An aldehyde is an organic compound containing a formyl group.
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蛋白质中的酪氨酰残基发生了明显改变。
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So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?
那么请大家来告诉我亚硫酰氯中,的硫原子应该有多少形式电荷？
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actually our third, but the second one we're going to talk about in terms of formal charge, which is thionyl chloride.
实际上是第三个，但它是第二个,形式电荷的例子，也就是亚硫酰氯。
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They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.
它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成
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