接触性过敏原

例句：

1. 1. The doctor warned us about the dangers of exposure to the contact allergen in the workplace.
   医生警告我们要注意工作场所接触性过敏原的危险。
2. 2.After cleaning the room, we should take proper measures to avoid coming into contact with the contact allergen.
   打扫完房间后，我们应该采取适当的措施，避免与接触性过敏原接触。
3. 3. The patient was diagnosed with a type of contact allergen that causes skin rashes.
   病人被诊断出患有一种接触性过敏原，导致皮肤发疹。