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.
乙醛脱羧酶帮助醛脱去羰基形成仅有碳氢原子组成的链，即碳氢化合物。
The enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.
碳水化合物碳水化合物通常的定义是多羟基的醛和酮或者水解产生多羟基的醛和酮的物质。
Carbohydrates carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.
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