呵欠虫一种危害某些鸟类的气官并引起张口病的线虫 ( 气管比翼线虫比翼属 )A nematode worm ( Syngamus trachea ) that infects the tracheas of certain birds and causes gapes....

“呵欠虫”的英语可以翻译为：gapeworm ...