► 名詞成分 [(1)せいぶん]
meaning: ingredient rank: 2☆
薬の有効成分 ⇨ Active ingredients of a drug
More examples:- その薬は幾つかの成分を配合して作られている ⇨ The drug is made by combining several substances
- この薬とその薬は成分が被る ⇨ This medication and that one overlap in the active ingredients