A parasitic fly that lays its eggs in the nostrils of sheep, goats, and deer. The larvae develop in the nasal cavities before being sneezed out.
The sheep nostril fly or sheep bot (Oestrus ovis) and the deer nostril flies (genus Cephenemyia), both in the family Oestridae
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。