| 单词 | allergen |
|---|---|
| 音标 | 英[ˈælədʒən] 美[ˈælərdʒən] |
| 解释 | n.变应原; |
| 例句 | N-COUNT 过敏源 An allergen is a substance that causes an allergic reaction in someone. |
| 变形 | pl:allergens~ |
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