0 something that causes trouble or makes you annoyed -- 令人煩惱的事物；造成麻煩的事物
The report is bound to add a new irritant to international relations. 這份報告肯定會給國際關係添加新麻煩。
1 a substance that makes part of your body sore or painful -- 刺激物
Whether cosmetics and toiletries normally used by the patient should be considered as chemical irritants is a matter for debate.
In fact, one of the biggest irritants in the relationship is insurgency and separatism.
The author discusses both forms, pointing out that recognition and avoidance of irritants or allergens is an essential part of treatment.
A new president would remove all of the irritants and set the country back on course toward a liberal democratic utopia.
Inflammation is another internal defence mechanism and is a reaction of living tissue to infection, injury and irritants.
Clinical experience and anecdotal evidence suggest strongly that mechanical, chemical, and thermal irritants exacerbate radiation induced skin changes.
If this were the case, it couples into a growing body of evidence that links cancer initiation to continuous inflammatory responses caused by chronic infections or irritants.
The altered patterns of eczema in elderly people are not well documented but limited work has suggested that reactions to allergens and irritants and, indeed, the inflammatory process are altered.
