兽医专门研究禽类疾病。

The veterinarian specializes in ___avian diseases.

这座雕塑的翅膀设计体现了明显的鸟类特征。

The sculpture's wing design shows distinct ___avian features.

科学家正在研究如何预防禽流感传播。

Scientists are studying how to prevent the spread of ___avian flu.