易混淆的单词： Dander

Very little pet dander remains airborne for long .

很少宠物皮屑仍然是空降长久的。

Allergies occur when your immune system reacts to a foreign substance such as pollen , bee venom or pet dander .

当你的免疫系统对外来物如花粉、蜂毒或宠物毛屑发生反应时就会发生过敏。

He gets his dander up on hearing the news .

听到这个消息他发怒了。

Pet hair and dander can wreak serious havoc with your fans and cooling systems and cause overheating .

宠物的毛发和头屑也会对本本的排风扇和冷却系统造成严重的问题，并引起高温。

Your body may have a threshold for a particular allergen , such as pollen or animal dander .

人身体内对过敏原都有一个特定的界限，比如花粉或动物的皮屑。