组成成分
水的组成成分是氢和氧。
The constituent components of water are hydrogen and oxygen.
The individual elements or substances that make up a whole or compound.
这种药品的组成成分包括多种维生素和矿物质。
The constituent components of this medication include various vitamins and minerals.
我们需要分析食品的组成成分以确保安全。
We need to analyze the constituent components of food to ensure safety.
Often used in scientific, medical, or technical contexts to describe the makeup of a substance.
Related Phrases
Pro Tip
Avoid Overgeneralization
Do not use '组成成分' for people or abstract groups. For example, say '团队成员' (team members) instead of '团队的组成成分'.
Gold Rule
Precision in Science
In scientific writing, always specify the context (e.g., '化学组成成分' for chemicals, '营养组成成分' for food).
Word Origin
组成 (zǔchéng, 'to form/compose') + 成分 (chéngfèn, 'component/ingredient'). The compound emphasizes the individual parts that collectively constitute a whole.
Usage Notes
Commonly used in chemistry, medicine, and food science to describe the breakdown of a substance into its fundamental parts. Avoid using it for abstract concepts like 'team members' (use '成员' instead).