allergen
英
['ælədʒən]
美
['ælərdʒən]
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Noun:
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any substance that can cause an allergy
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用作名词 (n.)
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When the immune system encounters an allergen, it may become sensitised.
当免疫系统发现了过敏原就会致敏。
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This desensitisation treatment is a vaccination against the allergen.
通过接种疫苗来降低机体对该过敏原的感受性。
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